| Thompson | William Athol | 186 | Private | Source: OZ-Boer database | New South Wales, 1st Contingent NSW Mounted Rifles |
| Thompson | William Frank | 4267 | | Source: Medal rolls | Canada, 2nd Royal Canadian Regiment of Infantry |
| Thompson | William Frederick | 604 | Trooper | Source: Nominal roll in WO127 | Western Light Horse |
| Thompson | William George | | Captain | Source: OZ-Boer database | Queensland, 2nd Mounted Infantry Contingent |
| Thompson | William George | | Sergeant | Source: Nominal roll in WO127 | Gorringe's Flying Column |
| Thompson | William H. | | | Source: Attestation paper in WO126 | Brabant's Horse |
| Thompson | William Henry | 28305 | Private | Source: Nominal roll in WO127 | Rand Rifles |
| Thompson | William Henry | 22806 | Corporal | Source: QSA Medal Rolls | 5th Company, 2nd Btn, IY |
| Thompson | William Henry | 164 | Trooper | Source: OZ-Boer database | South Australia, 4th Imperial Bushmen's Contingent |
| Thompson | William Irwin | | | Headquarter Depot
Source: QSA and KSA medal rolls | South African Constabulary |
| Thompson | William Irwin | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Thompson | William James | 6222 | Private | Source: QSA Medal Rolls | 58th Company, 15th Btn, IY |
| Thompson | William John | | | Source: WO100/280 | Adelaide TG |
| Thompson | William Martin | 942 | Trooper | Source: Official Records of the Australian Military Contingents by P L Murray | New South Wales, NSW Lancers |
| Thompson | William Michael | 873 | Trooper | Source: OZ-Boer database | New South Wales, 2nd Contingent NSW Mounted Rifles |
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