| Armstrong | Walter Lancelot | 28309 | Private | Source: Nominal roll in WO127 | Rand Rifles |
| Armstrong | Walter Michael | 105 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Armstrong | Walter Septimus | | Trooper | Source: Nominal roll | French's Scouts |
| Armstrong | Wilbert Frank | 104 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Armstrong | William | 3135 | Private | Source: QSA Medal Rolls | 14th Company, 5th Btn, IY |
| Armstrong | William | 39414 | Trooper | Source: QSA Medal Rolls | 135th Company, 30th Btn, IY |
| Armstrong | William | 38678 | Private | Source: QSA Medal Rolls | 140th Company, 31st Btn, IY |
| Armstrong | William | 161 | Trooper | Source: OZ-Boer database | New South Wales, 2nd Contingent NSW Mounted Rifles |
| Armstrong | William | | Trooper | Served 16 Jan 00 to 12 Jan 01. Discharged, medically unfit
Source: Nominal roll in WO127 | Nesbitt's Horse |
| Armstrong | William | | | Source: QSA and KSA medal rolls | 4th Battery, RFA |
| Armstrong | William Alec. | 1141 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Mounted Rifles |
| Armstrong | William Alexander | 216 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Imperial Bushm |
| Armstrong | William Charles | 37981 | Trooper | Source: Nominal roll in WO127 | Rimington's Guides |
| Armstrong | William Charles | | Private | QSA (3)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Armstrong | William Charles | 41968 | Trooper | Source: Nominal roll in WO127 | Kimberley Horse |
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