| Irwin | W | 4131 | Private | Died of disease. Ladysmith, 8 January 1901
2nd Battalion.
Source: South African Field Force Casualty Roll | Grenadier Guards |
| Irwin | W | | | 2nd Battalion
Source: QSA and KSA medal rolls | Gloucestershire Regiment |
| Irwin | Wesley | 7772 | | Source: Medal rolls | Canada, 2nd Royal Canadian Regiment of Infantry |
| Irwin | William | | Bearer | Source: Nominal roll in WO127 | Imperial Bearer Corps |
| Irwin | William | 3510 | Private | 4th RPR
Source: Nominal roll in WO127 | Railway Pioneer Regiment |
| Irwin | William | 2510 | | Source: Attestation papers. See image on this site. | Railway Pioneer Regiment |
| Irwin | William | 31975 | Private | Source: QSA Medal Rolls | 61st Company, 17th Btn, IY |
| Irwin | William | 27546 | Trooper | Source: QSA Medal Rolls | 105th Company, 8th Btn, IY |
| Irwine | E H | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Irwine | J | | | 3rd Battalion
Source: QSA and KSA medal rolls | (Princess of Wales's Own) Yorkshire Regiment |
| Irwine | J H | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Irwine | R | 5353 | Private | Prisoner. Stormberg, 10 December 1899
2nd Battalion.
Source: South African Field Force Casualty Roll | Royal Irish Rifles |
| Irwing | Anthony | 38496 | Trooper | Source: QSA Medal Rolls | 135th Company, 30th Btn, IY |
| Irwing | J | | | 3rd Battalion
Source: QSA and KSA medal rolls | Durham Light Infantry |
| Isaac | A W | | | 2nd Volunteer Service Company
Source: QSA and KSA medal rolls | East Yorkshire Regiment |
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