| Shelmerdine | William Woodville | | Trooper | Source: Nominal roll |
| Sheppard | E Martin | 10046 | Trooper | Source: Nominal roll |
| Sheppard | E H | 141 | Private | Demise: Killed in action 10 Jul 1900
Place: Kaalboschfontein
Source: In Memoriam by S Watt |
| Sheppard | E H | 141 | Private | Killed in action. Kaalboschftontein, 10 July 1900
Source: South African Field Force Casualty Roll |
| Sherman | Frank Henry | | RQMS | Source: Nominal roll |
| Silver | H | 10022 | Trooper | Source: Nominal roll |
| Silver | Harold Francis | 10022 | Trooper | Source: Nominal roll |
| Simpkins | E | | Trooper | Wounded. Arundel, 25 February 1900
Source: South African Field Force Casualty Roll |
| Simpkins | Edward | | Trooper | Source: Nominal roll |
| Simpson | John A | 10031 | Trooper | Source: Nominal roll |
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