| Ologhten | Patrick | | | Source: QSA and KSA medal rolls | No 10 Mountain Battery, RGA |
| Ologse | L | 262 | Trooper | Source: QSA medal roll in WO100/286 | Uitenhage DMT |
| Oloham | T | | | 1st Battalion
Source: QSA and KSA medal rolls | Durham Light Infantry |
| Olorenshaw | C R | | | Source: WO100/284 | Port Elizabeth TG |
| Olorenshaw | Francis Joseph | 1037 | Private | Source: OZ-Boer database | South Australia, 2nd Battalion Australian Commonwe |
| Olorenshaw | H | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
| Olorenshaw | J | | Civilian Conductor | Demise: Died of disease - diarrhoea 22 Mar 1902
Place: Noupoort
Source: In Memoriam by S Watt | Remount Department |
| Olorenshaw | J | | | Died of disease. Naauwpoort, 22 March 1902
Attached Remount Dept. Civilian Conductor
Source: South African Field Force Casualty Roll | Army Service Corps |
| Oloughlin | J | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Dublin Fusiliers |
| Oloughlin | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Dublin Fusiliers |
| Oloughlin | J | | | 1st Battalion
Source: Medal rolls | Prince of Wales's Leinster Regiment (Royal Canadia |
| Oloughlin | M | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Oloughlin | M | | | Received the Mediterranean Medal
5th Battalion
Source: Medal roll WO100 368 | Royal Munster Fusiliers |
| Oloughlin | Michael | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Oloughlin | P | | | Source: WO100/146 | No 10 Mountain Battery, RGA |
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