| Stanford | Albert Edward | 9687 | Sergeant | Source: Nominal roll in WO127 |
| Stanley | John Brentnall | | Sugn/Capt | Source: Nominal roll in WO127 |
| Stanley | John Thomas Alexander | 3237 | Sergeant | Source: Nominal roll in WO127 |
| Stanton | William Robert | 3302 | Trooper | Source: Nominal roll in WO127 |
| Staunton | L | 3697 | Trooper | Slightly wounded. Stinkhoutboom, 24 July 1900
Source: South African Field Force Casualty Roll |
| Staunton | Leonard Alfred Lynd ? | 3567 | Corporal | Source: Nominal roll in WO127 |
| Staynes | William Spurgeon | 4146 | Trooper | Source: Nominal roll in WO127 |
| Stearn | Henry ? | 9013 | Trooper | Source: Nominal roll in WO127 |
| Steele | George | 3676 | Farrier | Source: Nominal roll in WO127 |
| Steele | Robert Edgar | 9695 | Sergeant | Source: Nominal roll in WO127 |
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