| Sparling | George | 894 | Trooper | 1st Battalion
Source: Nominal roll in WO127 |
| Sparling | George | | | 1st Battalion
Source: QSA and KSA rolls |
| Spear | C F | | | 2nd Battalion
Source: QSA and KSA rolls |
| Spear | Charles Frederick | 40398 and 16 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 |
| Speck | Walter Henry | 554 | Trooper | 1st Battalion
Source: Nominal roll in WO127 |
| Speirs | D | | | 2nd Battalion
Source: QSA and KSA rolls |
| Speirs | David | 1509 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 |
| Speirs | J | | | 2nd Battalion
Source: QSA and KSA rolls |
| Speirs | James | 1352 and 408 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 |
| Speirs | R | | | 2nd Battalion
Source: QSA and KSA rolls |
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