| Farrell | Walter | 39 | Private | Source: OZ-Boer database | New South Wales, NSW Imperial Bushmen |
| Farrell | William | 80 | Private | Source: OZ-Boer database | West Australia, 5th Mounted Infantry Contingent |
| Farrell | William | 2037 | Trumpeter | Source: OZ-Boer database | New South Wales, A Battery Royal Australian Artill |
| Farrell | William | 29 | | Occupation: Machinist. Next of kin: William E Farrell. Address: Salt River.
Source: Attestation paper in WO126 | Town Guard and District Mounted Troops |
| Farrell | William Arthur | 1347 | Private | Source: OZ-Boer database | Australian Army Medical Corps |
| Farrell | William Arthur | 1347 | Private | Commonwealth Contingent.
Source: Official Records of the Australian Military Contingents by P L Murray | Australian Army Medical Corps |
| Farrell | William Arthur | 1347 | Private | Source: OZ-Boer database | New South Wales, Bearer Company |
| Farrell | William John | | | Source: Attestation paper in WO126 | Brabant's Horse |
| Farrell | William John | 80 | Private | Source: OZ-Boer database | West Australia, 4th Mounted Infantry Contingent |
| Farrell | William John | 30470 | Private | Source: QSA Medal Rolls | 60th Company, 17th Btn, IY |
| Farrell | William John | 20116 | Trooper | 2nd Brabant's Horse
Source: Nominal roll in WO127 | Brabant's Horse |
| Farrell | William Richard | 219 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Farrell | William Robert | 693 | Private | Source: OZ-Boer database | Queensland, 6th Imperial Bushmen Contingent |
| Farrell | William Robert | 156 | Private | Source: OZ-Boer database | Queensland, 3rd Mounted Infantry Contingent |
| Farrell | Z | | | 1st Battalion
Source: QSA and KSA medal rolls | Manchester Regiment |
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