| Olsson | Carl Albert | | | Died Magersfontein, 11/12/1899
Volunteer from Sweden serving with the Boer forces
Source: Anglo Boer War Museum database, August 2016 | Scandinavian volunteers |
| Olsson | Frederick George | 87 | Private | Source: OZ-Boer database | Queensland, 7th Battalion Australian Commonwealth |
| Olsson | Gustave A | | Trooper | Unit: A. troop. Nationality: Swed. Address: Husum, Sweden.
Source: List of Jameson raiders | Unknown |
| Olsvauge | Max | | | Source: WO100/285 | Steytleville TG |
| Olswang | J | | | Source: QSA and KSA medal rolls | Cape Infantry |
| Olswang | Joseph | 107 | Ranger | Served between 19/4/1901 and 15/6/1901. Reason for discharge: Undesirable. Attested: Cape Town.
Source: Nominal roll | Cattle Ranger's Corps |
| Olthoff | Philippus Petrus Jacob | | | Prisoner number: 15415
Captured: Koffiefontein 30 Oct 1900
Sent to: India, Trichinopoly
Age: 29
Address: Koffiefontein
Source: Anglo Boer War Museum 2016 | Boer Forces |
| Olver | A | | Domestic | QSA (0). Ref: 355.855.
Source: QSA medal rolls | HMS Niobe |
| Olver | A | | | | Army Veterinary Department |
| Olver | C H | | Leading Stoker | QSA (0). Ref: ( • ).
Source: QSA medal rolls | HMS Monarch |
| Olver | E | | Corporal | Frontier Wars. SAGS (1) 1877-8-9. No 9 Troop | Cape Mounted Rifles |
| Olver | E V | 2336 | Conductor | Weil's Transport. Medal returned or issued elsewhere
Source: QSA and KSA medal rolls | Imperial Transport Service |
| Olver | Frank (Cape Boy) | 41863 | Trooper | Source: Nominal roll in WO127 | Kimberley Horse |
| Olver | G | | | 1st Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Olver | George | | Leader | Source: Nominal roll in WO127 | Imperial Hospital Corps |
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