This data is Crown Copyright and is transcribed from The
National Archives
This compilation is Copyright © 2007 by Geoff Sullivan and is made available for personal research use only. The data in this table is believed to be correct but it is left to the user to check the original source as no guarantee can be made for the completeness or accuracy of this compilation. In addition, there may be a few errors in the transcribed names or regiment numbers in the original index transcripts. The link in the right hand column allows the original data to be viewed. If you wish to download original images you are strongly advised to go directly to the main National Archive Great War campaign medal search form here rather than through the links in the table.
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| 30844 | O'Brien, F | West Riding Regiment | 4601227 | Private | [1] Employment Company 396227 Lance Corporal [2] West Riding Regiment 4601227 Private | Link |
| 30845 | O'Brien, George | West Riding Regiment | 14162 | Private | -- | Link |
| 30846 | O'Brien, James | West Riding Regiment | 307118 | Private | -- | Link |
| 30847 | O'Brien, John | West Riding Regiment | 1335 | Private | -- | Link |
| 30848 | O'Brien, John | West Riding Regiment | 11328 | Private | -- | Link |
| 30849 | O'Brien, John | West Riding Regiment | 15977 | Private | -- | Link |
| 30850 | O'Brien, John | West Riding Regiment | 3/19818 | Private | [1] West Riding Regiment 3/19818 Private [2] Northumberland Fusiliers 41512 Private [3] Army Service Corps T/389739 Private | Link |
| 30851 | O'Brien, John | West Riding Regiment | 33910 | Private | -- | Link |
| 30852 | O'Brien, John C | West Riding Regiment | 14336 | Private | -- | Link |
| 30853 | O'Brien, John T | West Riding Regiment | 16136 | Private | [1] West Riding Regiment 16136 Private [2] Labour Corps 417985 Private | Link |
| 30854 | O'Brien, John W | West Riding Regiment | 202080 | Private | -- | Link |
| 30855 | O'Brien, Joseph | West Riding Regiment | 2050 | Private | [1] West Riding Regiment 2050 Private [2] Northumberland Fusiliers 340483 Private | Link |
| 30856 | O'Brien, Joseph P | West Riding Regiment | 240944 | Serjeant | -- | Link |
| 30857 | O'Brien, L | West Riding Regiment | 16581 | Private | [1] Dragoon Guards 9238 Private [2] West Riding Regiment 16581 Private | Link |
| 30858 | O'Brien, Mark | West Riding Regiment | 263120 | Private | [1] West Yorkshire Regiment 201327 Private [2] West Riding Regiment 263120 Private | Link |
| 30859 | O'Brien, Mark | West Riding Regiment | 5511 | Private | -- | Link |
| 30860 | O'Brien, Michael | West Riding Regiment | 17741 | Private | -- | Link |
| 30861 | O'Brien, Michael | West Riding Regiment | 39750 | Private | [1] West Riding Regiment 39750 Private [2] West Riding Regiment 53846 Private | Link |
| 30862 | O'Brien, Peter | West Riding Regiment | 23497 | Private | [1] West Riding Regiment 23497 Private [2] Durham Light Infantry 91346 Private | Link |
| 30863 | O'Brien, Raymond | West Riding Regiment | 2147 | Private | [1] West Riding Regiment 2147 Private [2] Royal Air Force - Lieutenant | Link |
| 30864 | O'Brien, Stephen | West Riding Regiment | 200393 | Private | -- | Link |
| 30865 | O'Brien, Thomas | West Riding Regiment | 55685 | Private | -- | Link |
| 30866 | O'Brien, William | West Riding Regiment | 5988 | Private | [1] West Riding Regiment 5988 Private [2] Lincolnshire Regiment 20363 Private | Link |
| 30867 | O'Brien, William | West Riding Regiment | 3/11768 | Private | -- | Link |
| 30868 | O'Brien, William | West Riding Regiment | 3/11394 | Private | -- | Link |
| 30869 | O'Callaghan, J C E | West Riding Regiment | 24197 | Private | -- | Link |
| 30870 | O'Cara, John | West Riding Regiment | 25948 | Private | [1] Royal Army Veterinary Corps SE/6391 Private [2] West Riding Regiment 25948 Private | Link |
| 30871 | O'Conn, George P | West Riding Regiment | 9692 | Private | -- | Link |
| 30872 | O'Connell, Daniel | West Riding Regiment | 35210 | Private | -- | Link |
| 30873 | O'Connor, George P | The Duke of Wellingtons West Riding Regiment | 9693 | Corporal | -- | Link |
| 30874 | O'Connor, James | West Riding Regiment | 1891 | Private | [1] West Riding Regiment 1891 Private [2] West Riding Regiment 268680 Private | Link |
| 30875 | O'Connor, James | West Riding Regiment | 268680 | Private | -- | Link |
| 30876 | O'Connor, John Thomas | West Riding Regiment | 20419 | Private | [1] West Riding Regiment 20419 Private [2] Yorkshire Regiment 41097 Private | Link |
| 30877 | O'Connor, Vincent | West Riding Regiment | 8688 | Private | -- | Link |
| 30878 | O'Connor, William | West Riding Regiment | 3/10630 | Private | -- | Link |
| 30879 | O'Connor, William | West Riding Regiment | 49347 | Serjeant | [1] Royal Irish Rifles 10156 Serjeant [2] West Riding Regiment 49347 Serjeant | Link |
| 30880 | O'Connors, James | West Riding Regiment | 4759 | Private | [1] West Riding Regiment 4759 Private [2] York and Lancaster Regiment 31724 Private | Link |
| 30881 | O'Donnell, John O | West Riding Regiment | 15253 | Private | -- | Link |
| 30882 | O'Donnell, Michael | West Riding Regiment | 21675 | Private | [1] West Riding Regiment 21675 Private [2] West Yorkshire Regiment 51541 Private [3] Cameron Highlanders 33708 Private | Link |
| 30883 | O'Donnell, William | West Riding Regiment | 12730 | Private | -- | Link |
| 30884 | O'Donnell, William | West Riding Regiment | 3217 | Private | [1] West Riding Regiment 3217 Private [2] Labour Corps 710832 Private | Link |
| 30885 | O'Gara, J | West Riding Regiment | 25948 | Private | [1] Army Veterinary Corps SE/6391 Private [2] West Riding Regiment 25948 Private | Link |
| 30886 | O'Gorman, Michael | West Riding Regiment | 4605 | Private | -- | Link |
| 30887 | O'Hanlon, Edward | West Riding Regiment | 241747 | Private | -- | Link |
| 30888 | O'Hara, Albert | West Riding Regiment | 3336 | Private | [1] West Riding Regiment 3336 Private [2] West Riding Regiment 201236 Private | Link |
| 30889 | O'Hara, Austin | West Riding Regiment | 267670 | Private | -- | Link |
| 30890 | O'Hara, Bernard | West Riding Regiment | 2979 | Private | -- | Link |
| 30891 | O'Hara, Charles | West Riding Regiment | 11042 | Private | -- | Link |
| 30892 | O'Hara, Frederick | West Riding Regiment | 12487 | Private | -- | Link |
| 30893 | O'Hara, James | West Riding Regiment | 12827 | Private | -- | Link |
| 30894 | O'Hara, James | West Riding Regiment | 9728 | Private | [1] West Riding Regiment 9728 Private [2] Machine Gun Corps 114672 Private | Link |
| 30895 | O'Hara, James | West Riding Regiment | 4511 | Private | -- | Link |
| 30896 | O'Hara, John | West Riding Regiment | 307378 | Private | -- | Link |
| 30897 | O'Hara, Joseph S | West Riding Regiment | 306345 | Private | -- | Link |
| 30898 | O'Hara, Lawrence | West Riding Regiment | 2571 | Private | [1] West Riding Regiment 2571 Private [2] West Riding Regiment 305818 Private [3] Royal Engineers WR/11221 Private | Link |
| 30899 | O'Hara, Luke | West Riding Regiment | 3/11736 | Private | -- | Link |
| 30900 | O'Hara, Michael J | West Riding Regiment | 4/5634 | Private | -- | Link |
| 30901 | O'Hara, Thomas | West Riding Regiment | 13377 | Private | [1] West Riding Regiment 13377 Private [2] Labour Corps 32219 Private | Link |
| 30902 | O'Hara, Thomas | West Riding Regiment | 11318 | Private | [1] West Riding Regiment 11318 Private [2] Labour Corps 4006403 Private | Link |
| 30903 | O'Hara, Walter | West Riding Regiment | 3/10520 | Private | -- | Link |
| 30904 | O'Hara, William | West Riding Regiment | 34780 | Private | [1] Yorkshire Dragoons 26482 Private [2] West Riding Regiment 34780 Private | Link |
| 30905 | O'Hare, John | West Riding Regiment | 4933 | Private | -- | Link |
| 30906 | O'Herlihy, J R | West Riding Regiment | 25371 | Private | [1] West Riding Regiment 25371 Private [2] East Kent Regiment L/12218 Private | Link |
| 30907 | O'Kane, Thomas | West Riding Regiment | 17069 | Private | -- | Link |
| 30908 | O'Keefe, James | West Riding Regiment | 306825 | Acting Colour Serjeant | [1] West Riding Regiment 306825 Acting Colour Serjeant [2] Durham Light Infantry 93430 Acting Colour Serjeant | Link |
| 30909 | O'Keefe, Thomas J | West Riding Regiment | 51871 | Private | [1] West Riding Regiment 51871 Private [2] Royal Engineers 604208 Private | Link |
| 30910 | O'Kelly, F A | West Riding Regiment | 7682 | Bandsman | -- | Link |
| 30911 | O'Kelly, George C | West Riding Regiment | 4610 | Serjeant | [1] West Riding Regiment 4610 Serjeant [2] York and Lancaster Regiment 242141 Serjeant [3] West Riding Regiment 41953 Serjeant | Link |
| 30912 | O'Kelly, H | West Riding Regiment | 9911 | Private | -- | Link |
| 30913 | O'Kelly, H K | West Riding Regiment | - | Second Lieutenant | -- | Link |
| 30914 | O'Kelly, Henry Karl | West Riding Regiment | - | Second Lieutenant | [1] West Riding Regiment - Second Lieutenant [2] Army Service Corps - Captain and Adjutant | Link |
| 30915 | O'Kelly, Richard | West Riding Regiment | 9911 | Private | -- | Link |
| 30916 | O'Kelly, T A | West Riding Regiment | 7682 | Private | -- | Link |
| 30917 | O'Leary, Patrick | West Riding Regiment | 49348 | Private | [1] Royal Irish Fusiliers 16566 Private [2] West Riding Regiment 49348 Private | Link |
| 30918 | O'Leary, Timothy | West Riding Regiment | 52149 | Private | [1] West Riding Regiment 52149 Private [2] King's Own Yorkshire Light Infantry 59085 Private | Link |
| 30919 | O'Melia, Fred | West Riding Regiment | 2939 | Private | -- | Link |
| 30920 | O'Melia, Harry | West Riding Regiment | 2196 | Private | -- | Link |
| 30921 | O'Neil, Francis | West Riding Regiment | 3/10825 | Private | -- | Link |
| 30922 | O'Neile, W | West Riding Regiment | 14199 | Private | -- | Link |
| 30923 | O'Neill, Arthur | West Riding Regiment | 11167 | Serjeant | [1] West Riding Regiment 11167 Serjeant [2] Labour Corps 21/9005 Company Serjeant Major | Link |
| 30924 | O'Neill, Bernard | West Riding Regiment | 1624 | Private | [1] West Riding Regiment 1624 Private [2] Tank Corps 317717 Acting Corporal | Link |
| 30925 | O'Neill, Cornelius | West Riding Regiment | 25320 | Private | [1] West Riding Regiment 25320 Private [2] Machine Gun Corps 156640 Private | Link |
| 30926 | O'Neill, Edward | West Riding Regiment | 43468 | Private | [1] Northamptonshire Regiment 48679 Private [2] West Riding Regiment 43468 Private | Link |
| 30927 | O'Neill, Francis | West Riding Regiment | 10825 | Private | -- | Link |
| 30928 | O'Neill, J | West Riding Regiment | 4601869 | Private | -- | Link |
| 30929 | O'Neill, James | West Riding Regiment | 3/10995 | Private | -- | Link |
| 30930 | O'Neill, Michael | Labour Corps Home Service Employment Company ex West Riding Regiment | 232962 ex 20218 | Private | -- | Link |
| 30931 | O'Neill, Patrick | West Riding Regiment | 12267 | Private | [1] West Riding Regiment 12267 Private [2] Royal Engineers 471844 Private [3] Durham Light Infantry 71405 Private | Link |
| 30932 | O'Neill, Peter | West Riding Regiment | 32732 | Driver | [1] Army Service Corps T/24543 Driver [2] West Riding Regiment 32732 Driver [3] Labour Corps 252321 Driver | Link |
| 30933 | O'Neill, Roderick | West Riding Regiment | - | Lieutenant | [1] London Regiment 1645 Private [2] West Riding Regiment - Lieutenant | Link |
| 30934 | O'Neill, William | West Riding Regiment | 242626 | Private | -- | Link |
| 30935 | O'Neill, William | West Riding Regiment | 14199 | Private | -- | Link |
| 30936 | O'Niel, James | West Riding Regiment | 10995 | Private | [1] West Riding Regiment 10995 Private [2] Labour Corps 167996 Private | Link |
| 30937 | O'Rielly, Owen | West Riding Regiment | 33786 | Private | [1] West Riding Regiment 33786 Private [2] Labour Corps 656006 Private | Link |
| 30938 | O'Rourke, Anthony | West Riding Regiment | 10229 | Private | [1] West Riding Regiment 10229 Private [2] West Yorkshire Regiment 22913 Private | Link |
| 30939 | O'Rourke, Francis | West Riding Regiment | 3/2997 | Private | -- | Link |
| 30940 | O'Rourke, Thomas | West Riding Regiment | 10550 | Private | -- | Link |
| 30941 | O'Rourke, Thomas | West Riding Regiment | 2664 | Private | -- | Link |
| 30942 | O'Shea, Daniel | West Riding Regiment | 7572 | Lance Corporal | [1] West Riding Regiment 7572 Lance Corporal [2] West Riding Regiment 7572 Acting Warrant Officer Class 2 | Link |
| 30943 | Oackley, W A | West Riding Regiment | 47311 | Driver | [1] Army Service Corps A/769 Driver [2] West Riding Regiment 47311 Driver | Link |
| 30944 | Oades, Arthur | West Riding Regiment | 202673 | Private | -- | Link |
| 30945 | Oades, Ernest | West Riding Regiment | 203126 | Private | -- | Link |
| 30946 | Oakes, F W | West Riding Regiment | 7268 | Corporal | -- | Link |
| 30947 | Oakes, James | West Riding Regiment | 11443 | Serjeant | [1] West Riding Regiment 11443 Serjeant [2] Northumberland Fusiliers 65200 Corporal | Link |
| 30948 | Oakes, John | West Riding Regiment | 241242 | Private | [1] West Riding Regiment 241242 Private [2] Labour Corps 639376 Private | Link |
| 30949 | Oakes, John | West Riding Regiment | 16076 | Private | [1] West Riding Regiment 16076 Private [2] West Riding Regiment 808135 Private | Link |
| 30950 | Oakes, Robert | West Riding Regiment | 3/10646 | Private | -- | Link |
| 30951 | Oakes, Selwyn | West Riding Regiment | 200194 | Private | -- | Link |
| 30952 | Oakes, Thomas | West Riding Regiment | 7268 | Corporal | -- | Link |
| 30953 | Oakey, Henry | West Riding Regiment | 25122 | Private | -- | Link |
| 30954 | Oakey, Thomas | West Riding Regiment | 3/16362 | Private | -- | Link |
| 30955 | Oakland, Arthur | West Riding Regiment | 307784 | Private | -- | Link |
| 30956 | Oakland, Edward | Labour Corps Northern Command ex Duke of Wellingtons West Riding Regiment | 239049 | Private | -- | Link |
| 30957 | Oakland, Frank | West Riding Regiment | 240798 | Private | -- | Link |
| 30958 | Oakley, Arthur | West Riding Regiment | 21674 | Private | [1] West Riding Regiment 21674 Private [2] Labour Corps 14785 Private | Link |
| 30959 | Oakley, Howard | West Riding Regiment | 39583 | Private | [1] West Riding Regiment 39583 Private [2] Durham Light Infantry 81818 Private | Link |
| 30960 | Oakley, John | West Riding Regiment | 307039 | Private | -- | Link |
| 30961 | Oakley, Norman | West Riding Regiment | 238205 | Private | -- | Link |
| 30962 | Oakley, Walter | West Riding Regiment | 8301 | Private | -- | Link |
| 30963 | Oakley, William C | West Riding Regiment | 33695 | Private | [1] Royal Sussex Regiment 24631 Private [2] West Riding Regiment 33695 Private | Link |
| 30964 | Oates, Arthur | West Riding Regiment | 235085 | Private | -- | Link |
| 30965 | Oates, Charles | West Riding Regiment | 10558 | Private | -- | Link |
| 30966 | Oates, Charles | West Riding Regiment | 3/12367 | Private | -- | Link |
| 30967 | Oates, Charles R | West Riding Regiment | 240987 | Corporal | -- | Link |
| 30968 | Oates, Charlton | West Riding Regiment | 32153 | Private | -- | Link |
| 30969 | Oates, Cyril | West Riding Regiment | 241091 | Private | -- | Link |
| 30970 | Oates, E S | West Riding Regiment | 8755 | Private | [1] West Riding Regiment 8755 Private [2] West Riding Regiment 204221 Private | Link |
| 30971 | Oates, Ernest | West Riding Regiment | 306647 | Private | -- | Link |
| 30972 | Oates, Ernest | West Riding Regiment | 2106 | Private | [1] West Riding Regiment 2106 Private [2] Northumberland Fusiliers 340393 Private | Link |
| 30973 | Oates, Frederick | West Riding Regiment | 241822 | Private | -- | Link |
| 30974 | Oates, Harry | West Riding Regiment | 4918 | Private | [1] West Riding Regiment 4918 Private [2] West Riding Regiment 241522 Private [3] Royal Engineers WR/11449 Private | Link |
| 30975 | Oates, Harry | West Riding Regiment | 9716 | Private | [1] West Riding Regiment 9716 Private [2] Labour Corps 421705 Private | Link |
| 30976 | Oates, Herbert | West Riding Regiment | 23342 | Private | -- | Link |
| 30977 | Oates, James H | West Riding Regiment | 4777 | Private | [1] West Riding Regiment 4777 Private [2] Labour Corps 398370 Private | Link |
| 30978 | Oates, John William | West Riding Regiment | 29270 | Private | -- | Link |
| 30979 | Oates, Joseph | West Riding Regiment | 263046 | Private | [1] West Yorkshire Regiment 200208 Private [2] West Riding Regiment 263046 Private | Link |
| 30980 | Oates, Joseph S | West Riding Regiment | 19323 | Private | -- | Link |
| 30981 | Oates, Leonard | West Riding Regiment | 203814 | Private | -- | Link |
| 30982 | Oates, Thomas | West Riding Regiment | 40091 | Private | -- | Link |
| 30983 | Oates, Thomas | West Riding Regiment | 266253 | Private | [1] West Riding Regiment 266253 Private [2] Labour Corps 617874 Private | Link |
| 30984 | Oates, Wilfred L | West Riding Regiment | 18733 | Private | -- | Link |
| 30985 | Oates, William | West Riding Regiment | 32687 | Private | -- | Link |
| 30986 | Oates, William H | West Riding Regiment | 201335 | Private | [1] West Riding Regiment 201335 Private [2] Labour Corps 450798 Private | Link |
| 30987 | Obern, John W | West Riding Regiment | 203192 | Private | -- | Link |
| 30988 | Oddie, James | West Riding Regiment | 265360 | Private | -- | Link |
| 30989 | Oddie, Stephen T | West Riding Regiment | 266177 | Private | -- | Link |
| 30990 | Oddie, William | West Riding Regiment | 266466 | Private | -- | Link |
| 30991 | Oddy, Albert | West Riding Regiment | 268358 | Private | -- | Link |
| 30992 | Oddy, Amos | West Riding Regiment | 306427 | Private | -- | Link |
| 30993 | Oddy, Edgar | West Riding Regiment | 202555 | Private | -- | Link |
| 30994 | Oddy, Harry | West Riding Regiment | 4/4049 | Private | -- | Link |
| 30995 | Oddy, Harry | West Riding Regiment | 25500 | Private | [1] Durham Light Infantry 61605 Private [2] Labour Corps 21328 Private [3] West Riding Regiment 25500 Private | Link |
| 30996 | Oddy, Henry R | West Riding Regiment | 30160 | Private | -- | Link |
| 30997 | Oddy, James | West Riding Regiment | 26409 | Private | [1] Liverpool Regiment 66510 Private [2] Labour Corps 43533 Private [3] West Riding Regiment 26409 Private [4] Royal Fusiliers GS/100540 (incomplete) Private | Link |
| 30998 | Oddy, Walter | West Riding Regiment | 201955 | Private | -- | Link |
| 30999 | Oddy, William | West Riding Regiment | 242881 | Private | -- | Link |
| 31000 | Oddy, William | West Riding Regiment | 12334 | Corporal | [1] West Riding Regiment 12334 Corporal [2] Labour Corps 602916 Corporal | Link |
| 31001 | Oddy, Willie | West Riding Regiment | 7661 | Private | [1] West Riding Regiment 7661 Private [2] Durham Light Infantry 9/7456 Private [3] Durham Light Infantry 325811 Private | Link |
| 31002 | Odell, Ernest J | West Riding Regiment | 235443 | Serjeant | [1] West Riding Regiment 235443 Serjeant [2] West Riding Regiment 235443 Corporal | Link |
| 31003 | Odell, Percy | West Riding Regiment | 17544 | Private | -- | Link |
| 31004 | Officer, W G | West Riding Regiment | - | Captain /Acting Major | -- | Link |
| 31005 | Officer, William Gerald | West Riding Regiment | - | Major | [1] West Riding Regiment - Major [2] West Riding Regiment - Lieutenant Colonel | Link |
| 31006 | Ogden, Albert | West Riding Regiment | 29562 | Private | -- | Link |
| 31007 | Ogden, Arthur | West Riding Regiment | 3043 | Private | [1] West Riding Regiment 3043 Private [2] West Riding Regiment 265922 Private | Link |
| 31008 | Ogden, Clement | West Riding Regiment | 960 | Drummer | -- | Link |
| 31009 | Ogden, Edgar | West Riding Regiment | 51596 | Private | -- | Link |
| 31010 | Ogden, Ernest | West Riding Regiment | 8056 | Private | -- | Link |
| 31011 | Ogden, Ernest | West Riding Regiment | 7259 | Colour Serjeant | [1] West Riding Regiment 7259 Colour Serjeant [2] West Yorkshire Regiment 64461 Colour Serjeant | Link |
| 31012 | Ogden, Frank | West Riding Regiment | 16484 | Corporal | [1] West Riding Regiment 16484 Corporal [2] Labour Corps 183555 Private | Link |
| 31013 | Ogden, Fred | West Riding Regiment | 15104 | Private | -- | Link |
| 31014 | Ogden, George Harry | West Riding Regiment | 24805 | Private | -- | Link |
| 31015 | Ogden, Harold | West Riding Regiment | 202675 | Private | -- | Link |
| 31016 | Ogden, Harold | West Riding Regiment | 201817 | Private | [1] West Riding Regiment 201817 Private [2] Army Ordnance Corps 040975 Private | Link |
| 31017 | Ogden, Harold | West Riding Regiment | 40131 | Private | [1] West Riding Regiment 40131 Private [2] Labour Corps 654415 Private | Link |
| 31018 | Ogden, Harry | West Riding Regiment | 263119 | Private | [1] West Yorkshire Regiment 266758 Private [2] West Riding Regiment 263119 Private | Link |
| 31019 | Ogden, Herbert | West Riding Regiment | 201817 | Private | [1] West Riding Regiment 201817 Private [2] Army Ordnance Corps 040977 Private | Link |
| 31020 | Ogden, Herbert | West Riding Regiment | 16437 | Private | -- | Link |
| 31021 | Ogden, Herbert A | West Riding Regiment | 12354 | Private | -- | Link |
| 31022 | Ogden, Isaac | West Riding Regiment | 35726 | Private | -- | Link |
| 31023 | Ogden, J | West Riding Regiment | 3539 | Private | -- | Link |
| 31024 | Ogden, J R | West Riding Regiment | 9488 | Serjeant | -- | Link |
| 31025 | Ogden, James | West Riding Regiment | 201364 | Private | -- | Link |
| 31026 | Ogden, James | West Riding Regiment | 18059 | Private | -- | Link |
| 31027 | Ogden, James E | West Riding Regiment | 235297 | Private | [1] West Riding Regiment 235297 Private [2] Labour Corps 620015 Private | Link |
| 31028 | Ogden, James H | West Riding Regiment | 12729 | Private | -- | Link |
| 31029 | Ogden, John | West Riding Regiment | 9488 | Lance Corporal | [1] West Riding Regiment 9488 Lance Corporal [2] West Riding Regiment 9488 Serjeant Drummer | Link |
| 31030 | Ogden, John | West Riding Regiment | 20338 | Acting Serjeant | [1] West Riding Regiment 20338 Acting Serjeant [2] Northumberland Fusiliers 40835 Acting Serjeant | Link |
| 31031 | Ogden, John W | West Riding Regiment | 1406 | Private | [1] West Riding Regiment 1406 Private [2] Royal Defence Corps 42755 Lance Corporal | Link |
| 31032 | Ogden, John W | West Riding Regiment | 201238 | Private | -- | Link |
| 31033 | Ogden, John W | West Riding Regiment | 31494 | Private | -- | Link |
| 31034 | Ogden, Joseph | West Riding Regiment | 11942 | Private | -- | Link |
| 31035 | Ogden, Milton | West Riding Regiment | 1023 | Private | -- | Link |
| 31036 | Ogden, Norman | West Riding Regiment | 20497 | Private | [1] West Riding Regiment 20497 Private [2] London Regiment 43642 Private [3] London Regiment 556566 Private | Link |
| 31037 | Ogden, Percy | West Riding Regiment | 30834 | Private | -- | Link |
| 31038 | Ogden, Ralph W | West Riding Regiment | 12728 | Private | [1] West Riding Regiment 12728 Private [2] Labour Corps 227529 Private | Link |
| 31039 | Ogden, Robert | West Riding Regiment | 242196 | Private | -- | Link |
| 31040 | Ogden, Squire | West Riding Regiment | 5981 | Private | [1] West Riding Regiment 5981 Private [2] Durham Light Infantry 6/5860 Private [3] Durham Light Infantry 250807 Private | Link |
| 31041 | Ogden, Thomas | West Riding Regiment | 39792 | Private | -- | Link |
| 31042 | Ogden, Thomas | West Riding Regiment | 51944 | Private | -- | Link |
| 31043 | Ogden, Thomas Albert | West Riding Regiment | 15034 | Private | -- | Link |
| 31044 | Ogden, Walter | West Riding Regiment | 7660 | Private | [1] West Riding Regiment 7660 Private [2] Labour Corps 655966 Private | Link |
| 31045 | Ogden, Wilfred D | West Riding Regiment | 2058 | Private | [1] West Riding Regiment 2058 Private [2] West Riding Regiment 265283 Corporal | Link |
| 31046 | Ogden, William | West Riding Regiment | 17560 | Private | -- | Link |
| 31047 | Ogdon, John A H | West Riding Regiment | 35133 | Private | -- | Link |
| 31048 | Ogle, Henry | West Riding Regiment | 14932 | Private | -- | Link |
| 31049 | Oglesby, Harold | West Riding Regiment | 52393 | Private | [1] West Riding Regiment 52393 Private [2] King's Own Yorkshire Light Infantry 59084 Private | Link |
| 31050 | Ogston, Kenneth | West Riding Regiment | - | Second Lieutenant | [1] West Riding Regiment - Second Lieutenant [2] West Riding Regiment - Lieutenant Acting Captain [3] West Riding Regiment - Captain | Link |
| 31051 | Olbison, Harry | West Riding Regiment | 31061 | Private | -- | Link |
| 31052 | Oldale, Charles | West Riding Regiment | 43782 | Private | [1] West Yorkshire Regiment 78102 Private [2] West Riding Regiment 43782 Private | Link |
| 31053 | Oldcorn, Harry | West Riding Regiment | 30214 | Private | -- | Link |
| 31054 | Oldfield, Arthur | West Riding Regiment | 1176 | Private | [1] West Riding Regiment 1176 Private [2] West Riding Regiment 200110 Private | Link |
| 31055 | Oldfield, Arthur | West Riding Regiment | 51665 | Private | -- | Link |
| 31056 | Oldfield, Charles | West Riding Regiment | 8081 | Private | -- | Link |
| 31057 | Oldfield, Edward | West Riding Regiment | 24909 | Private | [1] West Riding Regiment 24909 Private [2] Labour Corps 623711 Private | Link |
| 31058 | Oldfield, Frank | West Riding Regiment | 200013 | Serjeant | -- | Link |
| 31059 | Oldfield, Frederick | West Riding Regiment | 5913 | Private | [1] West Riding Regiment 5913 Private [2] Durham Light Infantry 6/5861 Private [3] Durham Light Infantry 250808 Private | Link |
| 31060 | Oldfield, Frederick G | West Riding Regiment | 27403 | Private | [1] South Lancashire Regiment 43404 Private [2] West Riding Regiment 27403 Private | Link |
| 31061 | Oldfield, G A | West Riding Regiment | 12663 | Private | [1] West Riding Regiment 12663 Private [2] Royal Engineers WR42649 Pioneer | Link |
| 31062 | Oldfield, George A | West Riding Regiment | 12663 | Private | [1] West Riding Regiment 12663 Private [2] Labour Corps 277881 Private [3] Royal Engineers WR/42649 Sapper | Link |
| 31063 | Oldfield, George F | West Riding Regiment | 29571 | Private | [1] West Riding Regiment 29571 Private [2] Labour Corps 406673 Private | Link |
| 31064 | Oldfield, George R | West Riding Regiment | 1306 | Private | [1] West Riding Regiment 1306 Private [2] Royal Engineers WR/178023 Sapper [3] Royal Engineers 257488 Sapper | Link |
| 31065 | Oldfield, H | West Riding Regiment | 164 | Private | -- | Link |
| 31066 | Oldfield, Harold | West Riding Regiment | 300 | Driver | [1] Royal Garrison Artillery 300 Driver [2] Royal Garrison Artillery 312055 Gunner [3] Royal Garrison Artillery 312055 Driver [4] West Riding Regiment 300 Driver | Link |
| 31067 | Oldfield, Harold | West Riding Regiment | 53571 | Private | [1] Labour Corps 465182 Private [2] West Riding Regiment 53571 Private | Link |
| 31068 | Oldfield, Harry | West Riding Regiment | 3/11342 | Private | [1] West Riding Regiment 3/11342 Private [2] West Riding Regiment 3/11342 Serjeant | Link |
| 31069 | Oldfield, Hirst | Labour Corps Northern Command ex West Riding Regiment | 205566 ex 168 | Quarter Master Serjeant | -- | Link |
| 31070 | Oldfield, John | West Riding Regiment | 241034 | Private | -- | Link |
| 31071 | Oldfield, John | West Riding Regiment | 235406 | Private | -- | Link |
| 31072 | Oldfield, John Durie | West Riding Regiment | 26699 | Private | -- | Link |
| 31073 | Oldfield, John Llywelyn | West Riding Regiment | - | Second Lieutenant | -- | Link |
| 31074 | Oldfield, Phenras | West Riding Regiment | 49357 | Private | [1] Manchester Regiment 245465 Private [2] West Riding Regiment 49357 Private | Link |
| 31075 | Oldfield, Richard | West Riding Regiment | 2276 | Private | -- | Link |
| 31076 | Oldfield, Robert | West Riding Regiment | 13310 | Private | [1] West Riding Regiment 13310 Private [2] West Riding Regiment 13310 Corporal | Link |
| 31077 | Oldfield, Rufus | West Riding Regiment | 306793 | Private | -- | Link |
| 31078 | Oldfield, Thomas E | West Riding Regiment | 10762 | Private | -- | Link |
| 31079 | Oldfield, Thomas William | West Riding Regiment | 33/12917 | Private | -- | Link |
| 31080 | Oldfield, Tom | West Riding Regiment | 20087 | Private | -- | Link |
| 31081 | Oldfield, W | West Riding Regiment | 13720 | Serjeant | -- | Link |
| 31082 | Oldfield, William | West Riding Regiment | 13720 | Warrant Officer Class 2 | [1] West Riding Regiment 13720 Warrant Officer Class 2 [2] West Riding Regiment 13720 Corporal [3] West Riding Regiment - Second Lieutenant | Link |
| 31083 | Oldfield, William | West Riding Regiment | 308200 | Serjeant | -- | Link |
| 31084 | Oldham, Charles | West Riding Regiment | 29318 | Private | -- | Link |
| 31085 | Oldham, Enoch | West Riding Regiment | 22931 | Private | [1] Army Cyclist Corps 5528 Private [2] West Riding Regiment 22931 Private | Link |
| 31086 | Oldham, Ernest | West Riding Regiment | 7008 | Private | -- | Link |
| 31087 | Oldham, Ernest | West Riding Regiment | 267933 | Private | -- | Link |
| 31088 | Oldham, F | West Riding Regiment | 8337 | Private | -- | Link |
| 31089 | Oldham, H H | West Riding Regiment attached Royal Air Force | - | Second Lieutenant | [1] West Riding Regiment attached Royal Air Force - Second Lieutenant [2] West Riding Regiment attached Royal Air Force - Lieutenant | Link |
| 31090 | Oldham, Harry | West Riding Regiment | 4587 | Private | [1] West Riding Regiment 4587 Private [2] West Riding Regiment 266847 Private [3] Durham Light Infantry 246031 Private | Link |
| 31091 | Oldham, Henry G | West Riding Regiment | 12642 | Private | -- | Link |
| 31092 | Oldham, James | West Riding Regiment | 4943 | Private | -- | Link |
| 31093 | Oldham, John E | West Riding Regiment | 22489 | Private | -- | Link |
| 31094 | Oldham, John H | West Riding Regiment | 1124 | Private | [1] West Riding Regiment 1124 Private [2] Yorkshire Light Infantry 203023 Private [3] Duke of Wellingtons Regiment 4605005 Private | Link |
| 31095 | Oldham, Percy | West Riding Regiment | 43487 | Private | -- | Link |
| 31096 | Oldman, Arthur | Labour Corps Northern Command ex West Riding Regiment | 277797 12393 | Private | -- | Link |
| 31097 | Oldridge, A | West Riding Regiment | 13932 | Private | -- | Link |
| 31098 | Oldroyd, Albert | West Riding Regiment | 20374 | Private | -- | Link |
| 31099 | Oldroyd, Alfred | West Riding Regiment | 21149 | Private | [1] West Riding Regiment 21149 Private [2] Labour Corps 14787 Private | Link |
| 31100 | Oldroyd, Frederick | West Riding Regiment | 5489 | Private | [1] West Riding Regiment 5489 Private [2] York and Lancaster Regiment 56494 Private | Link |
| 31101 | Oldroyd, Harold | West Riding Regiment | 241052 | Private | [1] West Riding Regiment 241052 Private [2] Labour Corps 615191 Private | Link |
| 31102 | Oldroyd, Harold | West Riding Regiment | 21842 | Private | [1] West Riding Regiment 21842 Private [2] Army Service Corps T/445541 Private | Link |
| 31103 | Oldroyd, Harold P | West Riding Regiment | 13148 | Private | [1] West Riding Regiment 13148 Private [2] Royal Engineers 312200 Private | Link |
| 31104 | Oldroyd, Haywood | West Riding Regiment | 240931 | Private | -- | Link |
| 31105 | Oldroyd, Horace | West Riding Regiment | 235086 | Private | -- | Link |
| 31106 | Oldroyd, John | West Riding Regiment | 5655 | Private | [1] West Riding Regiment 5655 Private [2] York and Lancaster Regiment 6002 Private [3] York and Lancaster Regiment 203125 Private [4] Royal Engineers 480891 Private [5] Royal Engineers WR/306220 Private | Link |
| 31107 | Oldroyd, S | West Riding Regiment | 307307 | Corporal | -- | Link |
| 31108 | Oldroyd, Smith | West Riding Regiment | 307307 | Corporal | -- | Link |
| 31109 | Oldroyd, William Leonard | West Riding Regiment | - | Lieutenant | [1] West Riding Regiment - Lieutenant [2] West Riding Regiment - Captain | Link |
| 31110 | Oldroyd, Wrigley | West Riding Regiment | 11855 | Private | -- | Link |
| 31111 | Olds, William J | West Riding Regiment | 11352 | Private | [1] West Riding Regiment 11352 Private [2] Labour Corps 355428 Private | Link |
| 31112 | Oliphant, G W | West Riding Regiment | - | Second Lieutenant | [1] West Riding Regiment - Second Lieutenant [2] West Riding Regiment - Captain | Link |
| 31113 | Olive, William E | West Riding Regiment | 33809 | Private | [1] Royal West Surrey Regiment 67527 Private [2] West Riding Regiment 33809 Private | Link |
| 31114 | Oliver, Albert | West Riding Regiment | 51921 | Private | -- | Link |
| 31115 | Oliver, Albert T | West Riding Regiment | 34497 | Private | [1] Yorkshire Regiment 22651 Private [2] West Riding Regiment 34497 Private | Link |
| 31116 | Oliver, Charles J | West Riding Regiment | 16545 | Private | [1] West Riding Regiment 16545 Private [2] Machine Gun Corps 142575 Private | Link |
| 31117 | Oliver, Edgar | West Riding Regiment | 20129 | Private | -- | Link |
| 31118 | Oliver, Edward | West Riding Regiment | 23840 | Private | [1] Northumberland Fusiliers 29276 Private [2] West Riding Regiment 23840 Private | Link |
| 31119 | Oliver, Ernest S | West Riding Regiment | 307306 | Private | -- | Link |
| 31120 | Oliver, Frank | West Riding Regiment | 39253 | Private | [1] West Riding Regiment 39253 Private [2] Training Reserve Battalion 126061 Private [3] Durham Light Infantry 81821 Private [4] Royal Engineers WR/285510 Private | Link |
| 31121 | Oliver, Harold | West Riding Regiment | 39534 | Private | [1] West Riding Regiment 39534 Private [2] Durham Light Infantry 81820 Private | Link |
| 31122 | Oliver, Harold | West Riding Regiment | 269073 | Private | -- | Link |
| 31123 | Oliver, Harry | West Riding Regiment | 9605 | Corporal | [1] West Riding Regiment 9605 Corporal [2] West Riding Regiment 9605 Private | Link |
| 31124 | Oliver, John | West Riding Regiment | 5664453 | Colour Serjeant | [1] Somerset Light Infantry 8515 Colour Serjeant [2] West Riding Regiment 5664453 Colour Serjeant | Link |
| 31125 | Oliver, John W | West Riding Regiment | 15110 | Private | -- | Link |
| 31126 | Oliver, Joseph Benjamin | West Riding Regiment | TR5/52752 | Private | -- | Link |
| 31127 | Oliver, Richard A | West Riding Regiment | 12861 | Corporal | [1] West Riding Regiment 12861 Corporal [2] Labour Corps 340217 Acting Company Serjeant Major | Link |
| 31128 | Oliver, Thomas | West Riding Regiment | 21920 | Private | [1] West Riding Regiment 21920 Private [2] Labour Corps 14161 Private | Link |
| 31129 | Oliver, Thomas | West Riding Regiment | 986 | Private | -- | Link |
| 31130 | Oliver, Tom | West Riding Regiment | 10230 | Private | [1] Machine Gun Corps 113974 Private [2] West Riding Regiment 10230 Private | Link |
| 31131 | Oliver, William | West Riding Regiment | 35496 | Private | -- | Link |
| 31132 | Oliver, William | West Riding Regiment | 3/11473 | Private | -- | Link |
| 31133 | Oliver, William J | West Riding Regiment | 6752 | Private | [1] West Riding Regiment 6752 Private [2] West Riding Regiment 203358 Private | Link |
| 31134 | Oliver, William J | West Riding Regiment | 22852 | Serjeant | -- | Link |
| 31135 | Ollerenshaw, George | West Riding Regiment | 3630 | Private | [1] West Riding Regiment 3630 Private [2] Surrey Yeomanry 170952 Private | Link |
| 31136 | Ollerenshaw, Percival | West Riding Regiment | 30663 | Private | [1] West Riding Regiment 30663 Private [2] York and Lancaster Regiment 33255 Private | Link |
| 31137 | Ollerton, John | West Riding Regiment | 26439 | Private | [1] Cheshire Regiment 27590 Private [2] Labour Corps 35126 Private [3] West Riding Regiment 26439 Private | Link |
| 31138 | Ollett, Fred | West Riding Regiment | 35495 | Private | -- | Link |
| 31139 | Olley, Alfred | West Riding Regiment | - | Second Lieutenant | [1] York and Lancaster Regiment 7304 Serjeant [2] York and Lancaster Regiment 7304 Warrant Officer Class 2 [3] West Riding Regiment - Second Lieutenant | Link |
| 31140 | Oman, Richard | West Riding Regiment | 49695 | Private | [1] Yorkshire Regiment 19474 Private [2] Yorkshire Regiment TF505080 Private [3] Bedfordshire Regiment 59845 Private [4] West Riding Regiment 49695 Private | Link |
| 31141 | Omelia, James W | West Riding Regiment | 10802 | Private | [1] West Riding Regiment 10802 Private [2] West Yorkshire Regiment 203160 Private [3] West Yorkshire Regiment 22911 Private [4] West Yorkshire Regiment 6531 Private | Link |
| 31142 | Omerod, Fred | West Riding Regiment | 26469 | Private | [1] Cheshire Regiment 41430 Private [2] Labour Corps 36255 Private [3] West Riding Regiment 26469 Private | Link |
| 31143 | Onion, John | West Riding Regiment | 11043 | Private | -- | Link |
| 31144 | Onion, Willie | West Riding Regiment | 268562 | Private | -- | Link |
| 31145 | Onions, George | West Riding Regiment | 10265 | Private | -- | Link |
| 31146 | Openshaw, Isaac | West Riding Regiment | 32916 | Private | [1] West Riding Regiment 32916 Private [2] Royal Inniskilling Fusiliers 42924 Private | Link |
| 31147 | Orchard, Clifford | West Riding Regiment | 235407 | Private | -- | Link |
| 31148 | Orchard, Ernest R | West Riding Regiment | 26602 | Private | -- | Link |
| 31149 | Orchard, Frederick J | West Riding Regiment | 2798 | Private | -- | Link |
| 31150 | Orchard, Harry | West Riding Regiment | 25914 | Private | [1] Royal Army Veterinary Corps SE/27998 Private [2] West Riding Regiment 25914 Private | Link |
| 31151 | Orchard, Jonathan J | West Riding Regiment | 40219 | Private | -- | Link |
| 31152 | Orcherton, Archibald | West Riding Regiment | 11670 | Private | [1] West Riding Regiment 11670 Private [2] Labour Corps 397281 Private | Link |
| 31153 | Ord, James | West Riding Regiment | 52375 | Private | [1] West Riding Regiment 52375 Private [2] King's Own Yorkshire Light Infantry 59083 Private | Link |
| 31154 | Ord, Matthew | West Riding Regiment | 35725 | Private | -- | Link |
| 31155 | Orford, Edward D | West Riding Regiment | 25446 | Private | [1] Suffolk Regiment 265573 Private [2] West Riding Regiment 25446 Private | Link |
| 31156 | Organ, William | West Riding Regiment | 268352 | Private | -- | Link |
| 31157 | Orgill, William | West Riding Regiment | 10892 | Private | [1] West Riding Regiment 10892 Private [2] Yorkshire Regiment 40080 Private | Link |
| 31158 | Ormandroyd, Frank | West Riding Regiment | 21832 | Private | -- | Link |
| 31159 | Ormanroyd, Herbert | West Riding Regiment | 19373 | Private | -- | Link |
| 31160 | Orme, Fred | West Riding Regiment | 3690 | Private | [1] West Riding Regiment 3690 Private [2] Labour Corps 420223 Private | Link |
| 31161 | Ormerod, Arnold | West Riding Regiment | 2615 | Private | -- | Link |
| 31162 | Ormerod, Arthur | West Riding Regiment | 3706 | Private | [1] West Riding Regiment 3706 Private [2] Lothian and Border Horse 121572 Private | Link |
| 31163 | Ormerod, Frank | West Riding Regiment | 23140 | Private | [1] West Riding Regiment 23140 Private [2] Labour Corps 346174 Private | Link |
| 31164 | Ormerod, Harry | West Riding Regiment | 266209 | Private | -- | Link |
| 31165 | Ormerod, Henry | West Riding Regiment | - | Lieutenant | [1] West Riding Regiment - Lieutenant [2] West Riding Regiment - Acting Captain [3] Durham Light Infantry - Temporary Captain | Link |
| 31166 | Ormerod, Thomas H | West Riding Regiment | 306494 | Private | -- | Link |
| 31167 | Ormerod, Walter | West Riding Regiment | 203084 | Private | -- | Link |
| 31168 | Ormerod, Willie | West Riding Regiment | 5449 | Private | [1] West Riding Regiment 5449 Private [2] York and Lancaster Regiment 6031 Private | Link |
| 31169 | Ormiston, Howetson | West Riding Regiment | 306664 | Private | -- | Link |
| 31170 | Ormondroyd, Ralph | West Riding Regiment | 18707 | Private | -- | Link |
| 31171 | Ormondroyd, Sharpe | West Riding Regiment | 267233 | Private | -- | Link |
| 31172 | Ormrod, John | West Riding Regiment | 3632 | Private | [1] West Riding Regiment 3632 Private [2] Labour Corps 606235 Serjeant | Link |
| 31173 | Ormston, William | West Riding Regiment | 35209 | Private | -- | Link |
| 31174 | Orr, Herbert | West Riding Regiment | 305971 | Corporal | -- | Link |
| 31175 | Orr, John | West Riding Regiment | 25331 | Acting Corporal | -- | Link |
| 31176 | Orrick, William | West Riding Regiment | 23803 | Private | -- | Link |
| 31177 | Orrick, William | West Riding Regiment | 23803 | Private | [1] Northumberland Fusiliers 29038 Private [2] West Riding Regiment 23803 Private | Link |
| 31178 | Orridge, Edward W | West Riding Regiment | 27006 | Private | [1] East Yorkshire Regiment 225831 Private [2] West Riding Regiment 27006 Private | Link |
| 31179 | Orris, John | West Riding Regiment | 55751 | Private | [1] Royal Fusiliers 16657 Private [2] East Kent Regiment L/2501 Private [3] West Riding Regiment 55751 Private [4] Labour Corps 616467 Private | Link |
| 31180 | Orton, Harry W | West Riding Regiment | 49356 | Private | [1] Leicestershire Regiment 30059 Private [2] Labour Corps 405396 Private [3] West Riding Regiment 49356 Private [4] Royal Fusiliers GS/83662 Private | Link |
| 31181 | Orwin, Henry E | West Riding Regiment | 26766 | Private | -- | Link |
| 31182 | Osborn, Horace | West Riding Regiment | 10651 | Serjeant | [1] West Riding Regiment 10651 Serjeant [2] West Riding Regiment 10651 Warrant Officer Class 2 | Link |
| 31183 | Osborn, John H | West Riding Regiment | 307068 | Private | -- | Link |
| 31184 | Osborne, Edward | West Riding Regiment | 22585 | Private | -- | Link |
| 31185 | Osborne, Fred | West Riding Regiment | 54726 | Private | -- | Link |
| 31186 | Osborne, Jacob | West Riding Regiment | 13349 | Private | -- | Link |
| 31187 | Osborne, Robert M | West Riding Regiment | 2938 | Private | [1] West Riding Regiment 2938 Private [2] Labour Corps 479243 Private | Link |
| 31188 | Osborne, Stephen H | West Riding Regiment | 57281 | Boy | -- | Link |
| 31189 | Osborne, Thomas C | West Riding Regiment | 9258 | Serjeant | -- | Link |
| 31190 | Osborne, Victor | West Riding Regiment | 53893 | Private | [1] West Yorkshire Regiment 4362 Private [2] West Yorkshire Regiment 241566 Private [3] West Riding Regiment 53893 Private | Link |
| 31191 | Osbourne, J | West Riding Regiment | 13340 | Private | -- | Link |
| 31192 | Osbourne, Wilfred S | West Riding Regiment | 268217 | Private | -- | Link |
| 31193 | Oscendale, Thomas | West Riding Regiment | 35225 | Private | -- | Link |
| 31194 | Osen, A | West Riding Regiment | 12801 | Private | -- | Link |
| 31195 | Osey, Alfred | West Riding Regiment | 12801 | Lance Corporal | [1] West Riding Regiment 12801 Lance Corporal [2] West Riding Regiment 12801 Private [3] West Riding Regiment 12851 Lance Corporal | Link |
| 31196 | Osgood, Alfred W | West Riding Regiment | 25401 | Private | [1] Suffolk Regiment 45812 Private [2] West Riding Regiment 25401 Private | Link |
| 31197 | Osler, James G | West Riding Regiment | 204644 | Corporal | -- | Link |
| 31198 | Osterberg, Stanley F | West Riding Regiment | 54981 | Private | -- | Link |
| 31199 | Ostler, Thomas | West Riding Regiment | 2512 | Private | [1] West Riding Regiment 2512 Private [2] West Yorkshire Regiment attached Trench Mortar Battery - Second Lieutenant | Link |
| 31200 | Oswald, Walter | West Riding Regiment | 8787 | Private | [1] West Riding Regiment 8787 Private [2] Royal Engineers A/346933 Private | Link |
| 31201 | Oswald, William | West Riding Regiment | 10769 | Private | -- | Link |
| 31202 | Oswell, Leonard G | West Riding Regiment | 33276 | Private | [1] West Yorkshire Regiment 21/939 Private [2] West Riding Regiment 33276 Private | Link |
| 31203 | Oswin, Albert E | West Riding Regiment | 269287 | Private | -- | Link |
| 31204 | Ottaway, Jack H | West Riding Regiment | 29998 | Private | [1] West Riding Regiment 29998 Private [2] Labour Corps 478328 Private | Link |
| 31205 | Ottewell, Louis C | West Riding Regiment | 3/16164 | Private | [1] West Riding Regiment 3/16164 Private [2] Durham Light Infantry 74734 Private | Link |
| 31206 | Ottley, James | West Riding Regiment | 265543 | Private | -- | Link |
| 31207 | Otty, Arthur A | West Riding Regiment | 13059 | Private | [1] West Riding Regiment 13059 Private [2] Durham Light Infantry 75860 Private | Link |
| 31208 | Otty, Thomas | West Riding Regiment | 12932 | Private | -- | Link |
| 31209 | Otway, Frederick | West Riding Regiment | 9494 | Private | [1] West Riding Regiment 9494 Private [2] Royal Defence Corps 93391 Private | Link |
| 31210 | Oughton, Cecil | West Riding Regiment | 26601 | Private | -- | Link |
| 31211 | Oughton, James H | West Riding Regiment | 242331 | Private | -- | Link |
| 31212 | Oughton, Reginald | West Riding Regiment | - | Second Lieutenant | -- | Link |
| 31213 | Oultram, Charles | West Riding Regiment | 47349 | Private | [1] Army Service Corps R/4/064089 Private [2] West Riding Regiment 47349 Private [3] London Regiment 36765 Private [4] Royal Fusiliers GS/84324 Private | Link |
| 31214 | Outhart, Thomas W | West Riding Regiment | 235808 | Private | [1] Yorkshire Regiment 1110 Private [2] West Riding Regiment 235808 Private [3] Yorkshire Regiment 240078 Private [4] Yorkshire Regiment 240078 Private | Link |
| 31215 | Outhwaite, Alfred N | West Riding Regiment | 269086 | Private | [1] West Riding Regiment 269086 Private [2] Northumberland Fusiliers 235451 Private | Link |
| 31216 | Outhwaite, T | West Riding Regiment | 7430 | Lance Corporal | -- | Link |
| 31217 | Outhwaite, Ted | West Riding Regiment | 3752 | Private | [1] West Riding Regiment 3752 Private [2] Yorkshire Light Infantry 242683 Private | Link |
| 31218 | Outhwaite, Thomas | West Riding Regiment | 7430 | Serjeant | -- | Link |
| 31219 | Outram, Arthur | West Riding Regiment | 9308 | Private | [1] West Riding Regiment 9308 Private [2] West Riding Regiment 9308 Serjeant | Link |
| 31220 | Outram, Joe | West Riding Regiment | 1966 | Private | -- | Link |
| 31221 | Outram, Joe | West Riding Regiment | 305526 | Private | -- | Link |
| 31222 | Ovenden, William J | West Riding Regiment | 8791 | Lance Corporal | [1] West Riding Regiment 8791 Lance Corporal [2] West Riding Regiment 8791 Warrant Officer Class 2 | Link |
| 31223 | Overall, George | West Riding Regiment | 306973 | Private | -- | Link |
| 31224 | Overall, William C | West Riding Regiment | 235507 | Private | -- | Link |
| 31225 | Overden, John | West Riding Regiment | 7721 | Private | [1] West Riding Regiment 7721 Private [2] East Yorkshire Regiment 20215 Private | Link |
| 31226 | Overend, Arnold E | West Riding Regiment | 3933 | Private | [1] West Riding Regiment 3933 Private [2] King's Own Yorkshire Light Infantry 242684 Private | Link |
| 31227 | Overend, Daniel | West Riding Regiment | 265052 | Private | -- | Link |
| 31228 | Overend, Ellis | West Riding Regiment | 267260 | Private | -- | Link |
| 31229 | Overend, Emmanuel | Labour Corps ex West Riding Regiment | 254894 ex 11562 | Private | -- | Link |
| 31230 | Overend, H | West Riding Regiment | 6883 | Private Acting Lance Corporal | -- | Link |
| 31231 | Overend, Harry | West Riding Regiment | 235298 | Private | -- | Link |
| 31232 | Overend, Herbert | West Riding Regiment | 204743 | Private | -- | Link |
| 31233 | Overend, Jack | West Riding Regiment | 263028 | Private | -- | Link |
| 31234 | Overend, Jack | West Riding Regiment | 16100 | Private | -- | Link |
| 31235 | Overend, John | Labour Corps ex West Riding Regiment | 239048 | Private | -- | Link |
| 31236 | Overend, John | West Riding Regiment | 17751 | Private | -- | Link |
| 31237 | Overend, Joseph | West Riding Regiment | 4746 | Private | -- | Link |
| 31238 | Overend, Joseph W | West Riding Regiment | 19766 | Private | -- | Link |
| 31239 | Overend, Percy | West Riding Regiment | 23741 | Private | [1] Durham Light Infantry 32177 Private [2] West Riding Regiment 23741 Private [3] Machine Gun Corps 153772 (incomplete) Private | Link |
| 31240 | Overend, Percy | West Riding Regiment | 267092 (incomplete) | Private | -- | Link |
| 31241 | Overing, Whitfield | Labour Corps Northern Command ex West Riding Regiment | 574417 | Private | -- | Link |
| 31242 | Oversby, E | West Riding Regiment | 266498 | Private | -- | Link |
| 31243 | Oversby, Ernest | West Riding Regiment | 266498 | Private | -- | Link |
| 31244 | Oversby, George | West Riding Regiment | 13646 | Private | -- | Link |
| 31245 | Oversby, John E | West Riding Regiment | 205635 | Private | -- | Link |
| 31246 | Oversby, William | West Riding Regiment | 267149 | Private | [1] West Riding Regiment 267149 Private [2] Labour Corps 596865 Private | Link |
| 31247 | Overson, William | West Riding Regiment | 53258 | Corporal | [1] Rifle Brigade 632 Corporal [2] West Riding Regiment 53258 Corporal | Link |
| 31248 | Overton, Arthur | West Riding Regiment | 35082 | Private | -- | Link |
| 31249 | Overton, Frederick | West Riding Regiment | 35211 | Private | -- | Link |
| 31250 | Overton, George | West Riding Regiment | 263118 | Private | [1] West Yorkshire Regiment 2745 Private [2] West Riding Regiment 263118 Private | Link |
| 31251 | Overton, Henry | West Riding Regiment | 9252 | Private | -- | Link |
| 31252 | Overton, P | West Riding Regiment | 263118 | Lance Corporal | [1] West Yorkshire Regiment 2745 Private [2] West Riding Regiment 263118 Lance Corporal | Link |
| 31253 | Overton, Thomas | West Riding Regiment | 2132 | Private | -- | Link |
| 31254 | Overton, Thomas A | West Riding Regiment | 34459 | Private | [1] Manchester Regiment 53978 Private [2] Yorkshire Regiment 35340 Private [3] West Riding Regiment 34459 Private | Link |
| 31255 | Overton, Wilfred | West Riding Regiment | 39533 | Private | [1] West Riding Regiment 39533 Private [2] Durham Light Infantry 81819 Private | Link |
| 31256 | Ovington, Edwin | West Riding Regiment | 35916 | Serjeant | [1] Hussars 5427 Serjeant [2] West Riding Regiment 35916 Serjeant | Link |
| 31257 | Owen, Arthur | West Riding Regiment | 13561 | Private | -- | Link |
| 31258 | Owen, Arthur J | West Riding Regiment | - | Second Lieutenant | [1] Royal West Kent Regiment TF/5046 Private [2] Royal West Kent Regiment 201878 Private [3] West Riding Regiment - Second Lieutenant | Link |
| 31259 | Owen, Charles | West Riding Regiment | 10131 | Private | -- | Link |
| 31260 | Owen, Edgar | West Riding Regiment | 241151 | Private | [1] West Riding Regiment 241151 Private [2] West Riding Regiment 4601228 Private | Link |
| 31261 | Owen, F | West Riding Regiment | 6598 | Private | [1] West Riding Regiment 6598 Private [2] West Yorkshire Regiment 31258 Private | Link |
| 31262 | Owen, F | West Riding Regiment | 32701 | Private | -- | Link |
| 31263 | Owen, Frank | West Riding Regiment | 32701 | Private | -- | Link |
| 31264 | Owen, George | West Riding Regiment | 14346 | Private | [1] West Riding Regiment 14346 Private [2] South Lancashire Regiment 36969 Private | Link |
| 31265 | Owen, George | West Riding Regiment | 202327 | Private | -- | Link |
| 31266 | Owen, George | West Riding Regiment | 308181 | Private | [1] West Riding Regiment 308181 Private [2] Labour Corps 447016 Private | Link |
| 31267 | Owen, George A | West Riding Regiment | 1444 | Private | [1] West Riding Regiment 1444 Private [2] Lancashire Fusiliers 238178 Private | Link |
| 31268 | Owen, George Edward | West Riding Regiment | 235034 | Private | -- | Link |
| 31269 | Owen, J | West Riding Regiment | 16364 | Private | [1] West Riding Regiment 16364 Private [2] Royal Fusiliers 106366 Private | Link |
| 31270 | Owen, James | West Riding Regiment | 2494 | Private | -- | Link |
| 31271 | Owen, James J | West Riding Regiment | 7/2494 | Private | -- | Link |
| 31272 | Owen, John | West Riding Regiment | 53658 | Private | [1] Liverpool Regiment 51360 Private [2] West Riding Regiment 53658 Private | Link |
| 31273 | Owen, Leonard | West Riding Regiment | 3232 | Private | -- | Link |
| 31274 | Owen, R H | West Riding Regiment | - | Lieutenant | -- | Link |
| 31275 | Owen, Robert | West Riding Regiment | 10704 | Private | [1] West Riding Regiment 10704 Private [2] Hampshire Regiment 55843 Private | Link |
| 31276 | Owen, Robert Henry Withington | West Riding Regiment | - | Captain | [1] West Riding Regiment - Captain [2] West Riding Regiment - Major | Link |
| 31277 | Owen, Robert S | West Riding Regiment | 33030 | Private | -- | Link |
| 31278 | Owen, Thomas | West Riding Regiment | 3/16363 | Private | -- | Link |
| 31279 | Owen, Thomas | West Riding Regiment | 15380 | Private | -- | Link |
| 31280 | Owen, Thomas J | West Riding Regiment | 25123 | Private | -- | Link |
| 31281 | Owen, W | West Riding Regiment | 10914 | Private | -- | Link |
| 31282 | Owen, William | West Riding Regiment | 3/12979 | Private | -- | Link |
| 31283 | Owen, William | West Riding Regiment | 12553 | Private | [1] West Riding Regiment 12553 Private [2] Labour Corps 19513 Private | Link |
| 31284 | Owen, William C | West Riding Regiment | 25839 | Private | [1] Labour Corps 94527 Private [2] West Riding Regiment 25839 Private | Link |
| 31285 | Owen, William H | West Riding Regiment | 204679 | Private | -- | Link |
| 31286 | Owen, William Robert | West Riding Regiment | 22295 | Private | -- | Link |
| 31287 | Owens, Ernest | West Riding Regiment | 60485 | Private | [1] Durham Light Infantry 49957 Private [2] West Riding Regiment 60485 Private | Link |
| 31288 | Owens, Herbert | West Riding Regiment | 35727 | Private | -- | Link |
| 31289 | Owens, Michael | West Riding Regiment | 20776 | Private | [1] West Riding Regiment 20776 Private [2] Labour Corps 14163 Private | Link |
| 31290 | Owens, Patrick | West Riding Regiment | 11359 | Private | [1] West Riding Regiment 11359 Private [2] East Yorkshire Regiment 21433 Private | Link |
| 31291 | Owens, Richard | West Riding Regiment | 3757 | Private | [1] West Riding Regiment 3757 Private [2] Yorkshire Regiment 265720 Private | Link |
| 31292 | Owens, Samuel L | West Riding Regiment | 34021 | Private | -- | Link |
| 31293 | Owers, Herbert C | West Riding Regiment | 51998 | Private | -- | Link |
| 31294 | Owston, Charles E G | West Riding Regiment | 3/29127 | Private | [1] West Riding Regiment 3/29127 Private [2] York and Lancaster Regiment 32749 Private | Link |
| 31295 | Oxenbridge, Charles | West Riding Regiment | 4444 (incomplete) | Private | -- | Link |
| 31296 | Oxendale, Thomas | West Riding Regiment | 35225 | Private | -- | Link |
| 31297 | Oxley, Albert | West Riding Regiment | 8186 | Private | -- | Link |
| 31298 | Oxley, Arthur | West Riding Regiment | 204249 | Private | -- | Link |
| 31299 | Oxley, Ebenezer | West Riding Regiment | 21151 | Private | [1] West Riding Regiment 21151 Private [2] Labour Corps 14788 Private | Link |
| 31300 | Oxley, Ernest | West Riding Regiment | 35265 | Private | -- | Link |
| 31301 | Oxley, Fred | West Riding Regiment | 21150 | Private | -- | Link |
| 31302 | Oxley, George | West Riding Regiment | 23841 | Private | [1] Northumberland Fusiliers 29445 Private [2] West Riding Regiment 23841 Private | Link |
| 31303 | Oxley, Henry | West Riding Regiment | 6/974 | Corporal | [1] West Riding Regiment 6/974 Corporal [2] West Riding Regiment 6/974 Serjeant | Link |
| 31304 | Oxley, Herbert | West Riding Regiment | 10046 | Private | -- | Link |
| 31305 | Oxley, John | West Riding Regiment | 15799 | Private | -- | Link |
| 31306 | Oxley, John J | West Riding Regiment | 5/6540 | Private | [1] Northumberland Fusiliers 3404 Private [2] West Riding Regiment 5/6540 Private | Link |
| 31307 | Oxley, Reuben | West Riding Regiment | 35367 | Private | -- | Link |
| 31308 | Oxley, Richard | West Riding Regiment | 35306 | Private | [1] Yorkshire Regiment 12350 Private [2] West Riding Regiment 35306 Private | Link |
| 31309 | Oxley, Samuel | West Riding Regiment | 16119 | Private | [1] West Riding Regiment 16119 Private [2] Northumberland Fusiliers 60429 Private | Link |
| 31310 | Oxley, Vincent | West Riding Regiment | 35366 | Private | -- | Link |
| 31311 | Oxley, William | West Riding Regiment | 238216 | Private | [1] Durham Light Infantry 327020 Private [2] West Riding Regiment 238216 Private | Link |
| 31312 | Oxley, William G | West Riding Regiment | 261032 | Corporal | [1] London Regiment 353582 Corporal [2] West Riding Regiment 261032 Corporal | Link |
| 31313 | Oxtoby, John | West Riding Regiment | 33512 | Waggoner | [1] Army Service Corps CHT/399 Waggoner [2] West Riding Regiment 33512 Waggoner | Link |
| 31314 | Ozanne, W M | West Riding Regiment/ Staff | - | Captain | -- | Link |
| 31315 | Ozanne, William Maingay | West Riding Regiment | - | Lieutenant | [1] West Riding Regiment - Lieutenant [2] General Staff Officer - Captain | Link |