| Cox | William | 495 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Cox | William | 2916 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Cox | William | 195 | Private | Source: OZ-Boer database | Queensland, 1st Mounted Infantry Contingent |
| Cox | William | | | Nominal roll #1 (C2) | Driscoll's Scouts |
| Cox | William | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Albany's Ross-shire Buffs) Seaforth Highl |
| Cox | William | 29188 | Trooper | Source: QSA Medal Rolls | 3rd Co, 1st Btn, IY |
| Cox | William A | | | 1st Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Cox | William David | 39332 | Private | Source: QSA Medal Rolls | 145th Company, 32nd Btn, IY |
| Cox | William Henry | 7728 | Private | Source: QSA Medal Rolls | 25th Company, 7th Btn, IY |
| Cox | William James | 335 | Private | Source: OZ-Boer database | New South Wales, NSW Imperial Bushmen |
| Cox | William Richard | 297 | Trooper | Source: OZ-Boer database | New South Wales, NSW Citizen's Bushmen |
| Cox | William S R | | Captain | Source: QSA Medal Rolls | 31st Company, 9th Btn, IY |
| Cox | William Sidney | | | Source: WO100/146 | No 10 Mountain Battery, RGA |
| Cox | William Sidney | | | Source: QSA and KSA medal rolls | No 10 Mountain Battery, RGA |
| Cox | William Thomas | 32981 | Trooper | Source: QSA Medal Rolls | 93rd Company, 23rd Btn, IY |
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