| Sinnott | N | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Irish Regiment |
| Sinnott | P | | | 1st Company Mounted Infantry
Source: QSA and KSA medal rolls | Irish Guards |
| Sinnott | P | | | 2nd Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Sinnott | P | | | 1st MI
Source: QSA and KSA medal rolls | Irish Guards |
| Sinnott | P J | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Irish Regiment |
| Sinnott | P J | | Ship's Corporal | QSA (0). Ref: 350.098.
Source: QSA medal rolls | HMS Monarch |
| Sinnott | T | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Dublin Fusiliers |
| Sinnott | T | 6011 | Corporal | 2nd Battalion
Demise: Killed in action 25 Oct 1901
Place: Witbank
Source: In Memoriam by S Watt | Royal Dublin Fusiliers |
| Sinnott | T | 1471 | Private | Died of disease. Middelburg, 6 September 1900
1st Battalion.
Source: South African Field Force Casualty Roll | Royal Irish Regiment |
| Sinnott | T | 6011 | Private | Killed in action. Witbank, 25 October 1901
2nd Battalion. 3 Ml
Source: South African Field Force Casualty Roll | Royal Dublin Fusiliers |
| Sinnott | T | 1471 | Private | 3rd Battalion
Demise: Died of disease 06 Sep 1900
Place: Middelburg
Source: In Memoriam by S Watt | Royal Irish Regiment |
| Sinnott | W | 6489 | Private | Severely wounded. Slaapkranz, 28 July 1900
1st Battalion.
Source: South African Field Force Casualty Roll | Royal Irish Regiment |
| Sinnott | W | 29B/992 | Private | Frontier Wars. SAGS (1) 1879 | Northamptonshire Regiment |
| Sinnott | W | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Irish Regiment |
| Sinnott? | D P | | | Source: QSA and KSA medal rolls | South African Constabulary |
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