| Dorrington | John William N | 3400 | RSM | Source: Nominal roll in WO127 |
| Dougherty | Henry Hugh | 3543 | Sergeant | Source: Nominal roll in WO127 |
| Dougherty | T J | 4079 | Trooper | Demise: Killed in action 04 May 1900
Place: Winburg Dist. Welkom Farm
Source: In Memoriam by S Watt |
| Doughty | John Jackson | 4079 | Trooper | Source: Nominal roll in WO127 |
| Doughty | T J | 4079 | Trooper | Killed in action. Welkom, 4 May 1900
Source: South African Field Force Casualty Roll |
| Douglas | George Harold | 9821 | Corporal | Source: Nominal roll in WO127 |
| Douglas | John H | 23437 | Trooper | Source: Nominal roll in WO127 |
| Douglas | Peter Craige | 3276 | Trooper | Source: Nominal roll in WO127 |
| Douglass | J A | | Trooper | Died of disease. Pretoria, 30 October 1900
Source: South African Field Force Casualty Roll |
| Douglass | J A / H | | Trooper | Demise: Died of disease 30 Oct 1900
Place: Pretoria
Source: In Memoriam by S Watt |
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