| Simpson | Allan Cunningham | 585 | Trooper | Source: Nominal roll in WO127 |
| Simpson | F J | 477 | Trooper | Died of wounds. Gaberones, 14 February 1900
Plumer's Force
Source: South African Field Force Casualty Roll |
| Simpson | F T | | Trooper | Demise: Died of wounds 14 Feb 1900
Place: Crocodile Pools + Gaberones
Source: In Memoriam by S Watt |
| Simpson | Frederick Taylor | 477 | Trooper | Source: Nominal roll in WO127 |
| Simpson | L C H | | Trooper | Demise: Died of disease 14 Apr 1900
Place: Sehikale Pan?
Source: In Memoriam by S Watt |
| Simpson | L C H | | Trooper | Died of disease. Lefetele, 14 April 1900
Source: South African Field Force Casualty Roll |
| Simpson | Lionel William Hickworthy | 473 | Trooper | Source: Nominal roll in WO127 |
| Sinclair | D | | Trooper | Slightly wounded. Mafeking, 16 May 1900
Source: South African Field Force Casualty Roll |
| Sinclair | Donald Walter | | Trooper | Source: Nominal roll in WO127 |
| Sinclair | J | | Trooper | Missing in action. Near Mafeking, 8 August 1900
Rejoined
Source: South African Field Force Casualty Roll |
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