| Oakes Clifford | PLY/3703 | AB | RNVR HMS_President_Div | Hunslett St 29 |
| Oakes Fred | 54937 | Pte | RAMC General_Hospital_48 | Mercer St 6 |
| Oakes Frederick William | 285392 | Pte | RE | Athletic St 66 |
| Oakes Percy | 110181 | Pte | Labour Corps_1718 | Queensbury Rd 10 |
| Oakes Thomas Bramwell | 276139 | Pte | RE 67 | Athletic St 50 |
| Oates E | 10244 | Pte | E Lancs | |
| O'Brien John | 46133 | Cpl | RFA B/320_Bde | Hunslett St 32 |
| O'Brien John William | 37578 | Pte | Labour Corps_No_3_Plt_63 | Brunshaw Rd 229 |
| O'Brien Michael | Pte | Labour Corps_149 | Padiham Rd 838 | |
| O'Brien Michael | 202077 | Pte | E Lancs_1/4 TF 126 Bde 42 Div | Pickup St 19 |
| O'Brien Thomas | Rectory Rd 48 | |||
| O'Connell Bernard | Pte | Scottish Rifles | Plane Tree_Alley_18 | |
| O'Connell Francis | 194971 | Cpl | Labour Corps | Masters St 6 |
| O'Connell Henry | TR5130710 | Pte | TRB 86_Inf_Bde | Gannow Lane 224 |
| O'Connell John | 25420 | Cpl | Border R_8_TMB_28(S)K-3 75 Bde 25 Div | Waterloo Rd 77 |
| O'Connell Patrick | 9209 | Bdr | RFA | Westgate 34 |
| O'Connell Patrick | 915 | Pte | ? | Hobart St 31 |
| O'Connor Anthony | 25049 | Pte | KORLR 8 (S)K-3 76 Bde 25 Div | Leyland Rd 12 |
| O'Connor James | 6734 | Pte | RDC 163 | Mansergh St 12 |
| O'Connor John | R/390853 | Pte | ASC Remounts_29 | Birtwell St 12 |
| O'Connor William | 21633 | Pte | KORLR 6 (S)K-1 38 Bde 13 Div | Bank Parade 46 |
| O'Connor William | 129707 | Pte | Labour Corps_85 | Ashworth St 16 |
| Oddie William | 155612 | Pte | Kings L'Pool_R 1/Coy | Accrington Rd 241/1a |
| Oddie William | 181430 | Dvr | RGA | Colville St 9 |
| Odell Josph Donovon | Captain | Loyal NLR_1 2 Bde 1 Div | ||
| Odgers Herbert | 202166 | Pte | Border R_2/4 TF(Cumberland_&_Westmoreland) | Cherry St 6 |
| O'Donnell Edward | 36292 | Pte | E Lancs_2 | Bank Parade_35 |
| O'Donnell Herbert | 36862 | Pte | E Lancs | Lynhurst Rd 60 |
| O'Donnell James | 23416 | Pte | AVC | Masters St 6 |
| O'Donnell John | 35982 | Pte | RE Fld_Coy_495 | Ardwick 122 |
| O'Donnell John Matthew | 10359 | CQMS | Manchester R | Leyland Rd 71 |
| O'Donnell Patrick | 21728 | Pte | Scottish Rifles 11th (S)K- 3 77 Bde 26 Div | Bridge St 7 |
| O'Donoghue Fred | L/316 | Gnr | RFA Bde_331 | Coalclough Lane 98 |
| Ogden Arthur | 14522 | Pte | APC | Grange St 25 |
| Ogden Arthur | 37577 | Pte | Labour Corps_63 | Boundry St 21 |
| Ogden Edwin | J/56754 | AB | RN | 5 Beverley St |
| Ogden Herbert | 24695 | Pte | E Lancs_2 | 4 Beverley St |
| Ogden John | 48294 | Pte | Labour Corps_81 | Queen Victoria_Rd 53 |
| Ogden Whittaker | 93554 | AM 3 | RAF | Basnett St 133 |
| O'Gorman James | 112580 | AM 1 | RAF | Boot St 29 |
| O'Hara Anthony | 741426 | Gnr | RFA Bde_363 | Moseley St 37 |
| O'Hara Harvey | 3640 | Pte | Royal Irish Rifles | |
| O'Hara Harvey B | ||||
| O'Hara Henry | 7274 | Pte | RAMC att_General_Hospital_53 | Abbey St 3 |
| O'Hara Hugh | 6376 | Pte | E Lancs_2 | Parker St 4 |
| O'Hara James | 115772 | Pte | RE CME | Exmouth St 22 |
| O'Hara Martin | 23360 | Dvr | ASC 25 Div | Park Lane 8 |
| O'Hara Patrick | 399036 | Pte | Labour Corps_AE_791 | Abel St 57 |
| O'Hara Thomas | 279799 | Dvr | ASC MT | Exmouth St 22 |
| Old R H | 31759 | Sjt | Duke Of_Cornwall's_Light_Infantry | |
| Oldfield Edward (Jun) | 57087 | Pte | Kings L'Pool_R_1/7 TF 6 Bde 2 Div | Finsley Gate 110 |
| Oldfield John Thomas | 35897 | Pte | RAMC Station_Hospital_2 | Lionel St 4 |
| Oldfield Matthew | 235309 | Pte | S Lancs_4 TF | Dall St 135 |
| Oldfield Thomas | 113 | Sgt | 1/5th East Lancs | Aquaduct St 4 |
| Oldfield Wilson | Sgt | Gordon Highlanders | Aquaduct St 4 | |
| Oldham Ernest | 680917 | Pte | Kings L'Pool_R | Brennard St 41 |
| Oldham Fred | M/852184 | Dvr | ASC MT | Moseley St 5 |
| Oldham James | 8780 | Pte | Manchester R_17_A/Coy | Tentre St 69 |
| Oldham James | 62506 | Gnr | RGA 1 | Riding St 37+11 |
| Oldham James | 68028 | Pte | Labour Corps_114 | Riding St 37 |
| Oldham John | Pte | RWF | Bivel St 20 | |
| Oldham Miles | 34428 | Pte | E Lancs_11 B/Coy(S) 94 Bde 31 Div | Delph St 18 |
| O'Leary Augustine | 132664 | Pte | RAMC | Ashworth St 28 |
| O'Leary Lawrence | 21455 | Pte | KSLI | Marlbrough St 53 |
| O'Malley Percy Mannison | 874366 | Pte | Labour Corps | Temple St 44 |
| O'Mara James | 15558 | Sgt | E Lancs_11 (S) 94 Bde 31 Bde | Milton St 97 |
| O'Mara John | 63709 | Pte | S Lancs_15 (Transport Workers)(Birkenhead) | Charlotte St 45 |
| O'Mara John | 63709 | Pte | S Lancs_15 6 Coy(Transport Workers) | Charlotte St 45 |
| O'Mara William | 18925 | Pte | Coldstream Gds B/Coy | Ardwick St 135 |
| O'Neary James | 126690 | Pte | RE | Helena St 62 |
| O'NEIL ANTHONY | Pte | RIR | ||
| O'Neil Henry | 407248 | Pte | Labour Corps | Clay St 6 |
| O'Neill Bartholmew | AB | RN HM_Barracks_Devonport | Hume St 43 | |
| O'Neill Henry | 44894 | Pte | Labour Corps_Garrison Guard | Clay St 6 |
| O'Neill John | 2170225 | Dvr | ASC 1/11 42 Div | Charlotte St 8*Formerly 20 King St |
| O'Nion Ernest | 034367 | Dvr | ASC | Cog Lane 329 |
| Openshaw Gilbert Oremrod | Captain | E Lancs_3 (Reserve)(Tees Garrison) | Padiham Rd 389 | |
| Opray John William | 253004 | Pte | Labour Corps_483 | High St 49 |
| Opray Joseph Tarentyman | 440593 | Cpl | RE Fld_Coy_431 | High St 49 |
| Ormby Gilbert | 12590 | Pte | E Lancs_6 (S)K-1 38 Bde 13 Div | Tunstill St 15 |
| Ormerod Abraham | 10264 | Pte | Loyal NLR_2 27 Indian Bde | Cornwall Terrace 23 |
| Ormerod Alban | 5264 | Pte | E Lancs_6 (S)K-1 38 Bde 13 Div * | Hurtley St 84 |
| Ormerod Albert | YMCA Longpore BEF | Burrows Yard 3 | ||
| Ormerod Albert | Elmwood St 4 | |||
| Ormerod Albert | 20482 | Pte | E Lancs_9 (S)K-3 65 Bde 32 Div | Cog Lane 154 |
| Ormerod Alfred | 3602 | Pte | E Lancs_3 (Reserve)(Tees Garrison) | Cornwall Terrace 23 |
| Ormerod Arthur | 435868 | Pte | KORLR 8 | Belverdere Rd 42 |
| Ormerod Ernest | 50888 | L/Cpl | MGC | Harold St 39 |
| Ormerod Harry | 75441 | Pte | RAMC | Angle St 35 |
| Ormerod Harry | 720438 | Gnr | RFA C/Bty_320_Bde | Padiham Rd 63 |
| Ormerod Harry | L/304 | Sgt | RFA C/157_Bde | Brunshaw Rd 101 |
| Ormerod Henry | 241210 | Pte | E Lancs_1/4 TF 126 Bde 42 Div | Scotts Terrace 38 |
| Ormerod Henry | 36986 | Pte | RAMC 3_British_General_Hospital | St Johns_Rd 49 |
| Ormerod Herbert | 138270 | Gnr | RFA Bty_39 | Pine St 4 |
| Ormerod James | 13260 | Pte | Coldstream Gds_3 4 Gds Bde 2 Div | Rossendale Rd 4 |
| Ormerod John | 3510 | L/Cpl | RMP | Belverdere Rd 42 |
| Ormerod Joseph | 31406 | Pte | Welsh R_52_C/Coy (Graduated)(Henham Park) | Cog Lane 209 |
| Ormerod Joseph | 86091 | Pte | W Surrey_R | Cog Lane 209 |
| ORMEROD R | 18009 | Pte | KOR Lancasters 1st | 1 Ivy Terrace Wheatley Lane Fence |
| Ormerod Richard | 36965 | Pte | Shropshire Lt_Inf_13 (S)K-3 73 Bde 24 Div | Bivel St 3 |
| Ormerod Tom | 19506 | Bdr | RGA | Brunel St 6 |
| Ormerod Tom | 79506 | Gnr | RGA | Broughton St 4 |
| Ormerod William | Pte | RWF | Brunshaw Rd 101 | |
| Orr Robert | 200907 | Pte | RAMC | Olympia St 42 |
| Orr William | Simpson St 37 | |||
| Orrell Arthur | 445331 | Pte | Labour Corps_45* Formerly E_Lancs | Lindsay St 71 |
| Orrell Joseph | 238979 | AM 2 | RAF | Rumley Rd 102 |
| Orton William | 243083 | Pte | Lan Fus_6 TF | Dial St 11 |
| Orton William | 139274 | Pte | MGC 58 | Padiham Rd 73 |
| Osborne | Pte | Scotts Gds | ||
| Osborne Charlie | 18227 | Pte | Royal Scots_Fus_2 | Hargher St 47 |
| Osborne Harry | 168507 | AM 2 | RAF | Thorne St 47 |
| Osborne James | 9204 | Gnr | RFA DAC_150_Bde | Hargher St 47 |
| Osborne Joseph | Sto/AB | RN HMTB_Bacterto | Hufling Lane 43 | |
| Osborne Thomas Albert | 48939 | Pte | RAMC Stationary_Hospital_10 | Dall St 119 |
| O'Sullivan Michael | 106092 | AM 3 | RAF Balloon_Section_22 | Brawn Yard 3 |
| Outhwaite Joseph | J/79364 | OS | RN HMS_Vived | Coalclough Lane 103 |
| Outhwaite Thomas Henry | 23291 | Pte | E Lancs_9 (S)K-3 65 Bde 22 Div | Netherby St 15 |
| Outhwaite William Richard | 71511 | Pte | RAMC 25 | Nairne St 148 |
| Overend James William Herbert | 210711 | Pte | Labour Corps_566 | Waterloo Rd 28 |
| Overton John | 241 | Dvr | RFA | Florence St 19 |
| Owen Alfred | 137095 | RAMC | ||
| Owen Arthur James | 235475 | Pte | Lan Fus_1/5 TF 125 Bde 42 Div | Barnes St 54 |
| Owen Edwin | DT278276 | Dvr | ASC | |
| Owen Francis | 28391 | S/Sgt | RAMC 17 | Coalclough Lane 83 |
| Owen James | 52962 | Pte | Labour Corps_89 | Accrington Rd 17 |
| Owen Jesse | 241860 | Pte | E Lancs_1/5 TF 126 Bde 42 Div | Clery St 3 |
| Owen Joseph | 95132 | Pte | RE Coy_2 | Romney St 10 |
| Owen Tom | Pte | E Lancs_2/5 TF 198 Bde 66 Div | Hart St 51 | |
| Owen Walter Ridgeway | 129264 | Pte | ASC 362 Labour_Corps | Parkinson St 43 |
| Owen William | 32554 | Pte | Shropshire Lt_Inf_8 (S)K-3 66 Bde 22 Div | Romney St 10 |
| Owen William Alfred | 304197 | Pte | Shropshire Lt_Inf_7*(S)K-3 att ASC | Westgate 26 |
| Ozanne J | Pte | E Lancs |