| Spurgin | S F | 3555 | Trooper | Prisoner. De Kiel's Drift, 13 February 1900
Source: South African Field Force Casualty Roll |
| Squire | Benjamin | 3494 | Trooper | Source: Nominal roll in WO127 |
| Stabler | George Edward | 9649 | Corporal | Source: Nominal roll in WO127 |
| Stacey | W | 3395 | Trooper | Slightly wounded. Karee Siding, 29 March 1900
Source: South African Field Force Casualty Roll |
| Stacey | W | 3395 | Trooper | Wounded. Karee Siding, 30 March 1900
Source: South African Field Force Casualty Roll |
| Stack | George | 23499 | Trooper | Source: Nominal roll in WO127 |
| Stacpoole | Henry Francis | 9479 | Trooper | Source: Nominal roll in WO127 |
| Stacy | Edward F | 3395 | Trooper | Source: Nominal roll in WO127 |
| Stacy | W | 3395 | Trooper | Severely wounded. Zand River, 10 May 1900
Source: South African Field Force Casualty Roll |
| Stanbury | Edwin | 4036 | Trooper | Source: Nominal roll in WO127 |
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