| Oakman | J | 13496 | Lance Corporal | Frontier Wars. SAGS (1) 1879. C Troop | Royal Engineers |
| Oakman | T | | | 4th Battalion
Source: QSA and KSA medal rolls | Bedfordshire Regiment |
| Oakman | Thomas | 121 and 4281 | Trooper | Source: Nominal roll in WO127 | Western Light Horse |
| Oakman | W | | | 1st Battalion
Source: QSA and KSA medal rolls | Essex Regiment |
| Oakman | William Henry | | Orderly | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Oaks | Frank | 633 | | Attested: Jun 1898. Source: CMP 41 | Cape Police |
| Oaks | J | | | Source: QSA and KSA medal rolls | Coldstream Guards |
| Oakshott | H G | | | 1st Battalion
Source: WO100/281 | Grahamstown TG |
| Oald | C | | | 2nd Battalion
Source: QSA and KSA medal rolls | Manchester Regiment |
| Oales | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | Manchester Regiment |
| Oalfken | A | 48 | Trooper | Frontier Wars. SAGS (1) 1877-8-9 | Frontier Light Horse |
| Oalfken | A | | | Source: QSA and KSA medal rolls | Frontier Light Horse |
| Oamer | E N | | Trooper | Source: Nominal roll in WO127 | Kimberley Horse |
| Oartman | Jacobus | 305 | Private | Source: Nominal roll in WO127 | Namaqualand Border Scouts |
| Oartman | Willem | 320 | Private | Source: Nominal roll in WO127 | Namaqualand Border Scouts |
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