| Walker | Alfred | 100 | Trooper | Source: OZ-Boer database | Tasmania, 3rd Imperial Contingent |
| Walker | Alfred | 32189 | Lance Sergeant | Source: QSA Medal Rolls | 87th Company, 22nd Btn, IY |
| Walker | Alfred | | Trooper | Source: Nominal roll in WO127 | Nesbitt's Horse |
| Walker | Alfred | 51 | Trooper | Source: Nominal roll in WO127 | Rimington's Guides |
| Walker | Alfred | 251 | Sergeant Major | Source: OZ-Boer database | Tasmania, 8th Battalion Australian Commonwealth Ho |
| Walker | Alfred Atkinson | 3231 | Private | Source: QSA Medal Rolls | 14th Company, 5th Btn, IY |
| Walker | Alfred Craven | 10483 | Private | Source: QSA Medal Rolls | 57th Company, 15th Btn, IY |
| Walker | Alfred William | 518 | Private | Source: OZ-Boer database | Queensland, 5th Imperial Bushmen Contingent |
| Walker | Archibald Alfred | 335 | Saddler Sergeant | 2nd Brabant's Horse
Source: Nominal roll in WO127 | Brabant's Horse |
| Walker | Archibald Alfred | 22365 | Sadd Sergeant | Source: Nominal roll in WO127 | Commander-in-Chief's Bodyguard |
| Walker | Archibald Welsh | 12637 | Trooper | Source: QSA Medal Rolls | 70th Company, 18th Btn, IY |
| Walker | Arthur | 788 | Sergeant/Lieutenant | Served in 1st KFS. Joined 8 Dec 00 1 Mar 01 transferred 29 Apr 01 2KFS
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Walker | Arthur | 0 | Lieutenant | Served in 2nd KFS. Joined 1 Mar 01 30 Apr 01 transferred to Field Intelligence Dept. 8 Mar 02 AO518 22 Mar 02
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Walker | Arthur | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Queen's) Royal West Surrey Regiment |
| Walker | Arthur | 1314 | Corporal | Served 12 Mar 01 to 29 Aug 02.
Source: Nominal roll in WO127 | Steinaecker's Horse |
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