| Sinclair | T | | Trooper | Frontier Wars. SAGS (0) | Carbutt's Border Rangers |
| Sinclair | T | | | 2nd Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Sinclair | T | | | 1st Battalion
Source: QSA and KSA medal rolls | Highland Light Infantry |
| Sinclair | T | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Irish Rifles |
| Sinclair | T | | | Source: QSA and KSA medal rolls | Cape Town Highlanders |
| Sinclair | T | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| Sinclair | T | | | Volunteer Service Company
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| Sinclair | Thomas George | 20667 | Trooper | Source: QSA Medal Rolls | 28th Company, 4th Btn, IY |
| Sinclair | Thomas Miller | 357 | Private | Source: OZ-Boer database | Queensland, 6th Imperial Bushmen Contingent |
| Sinclair | W | | | 1st Battalion
Source: Medal rolls | (Princess Louise's) Sutherland and Argyll Highland |
| Sinclair | W | | | 2nd Battalion
Source: QSA and KSA medal rolls | Cheshire Regiment |
| Sinclair | W | | | 4th Battalion
Source: QSA and KSA medal rolls | Cheshire Regiment |
| Sinclair | W | | | 2nd Battalion
Source: Medal rolls | Cheshire Regiment |
| Sinclair | W | | | 4th Battalion
Source: Medal rolls | Cheshire Regiment |
| Sinclair | W | | Trooper | Missing in action. Nooitgedacht, 13 December 1900
Rejoined
Source: South African Field Force Casualty Roll | Kitchener's Horse |
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