| Walker | Arthur Albert | | | Source: WO100/252 | Imperial Military Railways |
| Walker | Arthur Bernard | | | Source: QSA and KSA medal rolls | New Zealand, 9th Contingent |
| Walker | Arthur Frederick | 31579 | Trooper | Source: QSA Medal Rolls | 92nd Company, 23rd Btn, IY |
| Walker | Arthur Henry | 23051 | Trooper | Source: QSA Medal Rolls | 66th Company, 3rd Btn, IY |
| Walker | Arthur Henry | 44549 | Lance Sergeant | Base Co
Source: QSA Medal Rolls | Imperial Yeomanry |
| Walker | Arthur Monkhouse | | Lieutenant | Source: Nominal roll in WO127 | Rimington's Guides |
| Walker | Arthur William | | Bearer | Served 09 Dec 99 to 12 Mar 00.
Source: Nominal roll in WO127 | Natal Volunteer Ambulance Corps |
| Walker | B | 2311 | Private | Frontier Wars. SAGS (1) 1877-8-9 | Royal Warwickshire Regiment |
| Walker | B | | | Source: QSA and KSA medal rolls | Coldstream Guards |
| Walker | B | 3968 | Private | QSA (5).
Source: QSA medal rolls | 8th (The King's Royal Irish) Hussars |
| Walker | B | 28024 | Trooper | Source: QSA Medal Rolls | 33rd Company, 11th Btn, IY |
| Walker | B | 1215 | Private | Died of disease. Kimberley, 23 November 1901
E Division.
Source: South African Field Force Casualty Roll | South African Constabulary |
| Walker | B | 1806 | Sapper | Prisoner. Leeuwspruit, 14 June 1900
Released
Source: South African Field Force Casualty Roll | Royal Engineers, Railway Company, 10th |
| Walker | B | 1215 | Trooper | Prisoner. Near Abrahamskraal, 11 March 1901
E Division. Released
Source: South African Field Force Casualty Roll | South African Constabulary |
| Walker | B | 1215 | Trooper | Demise: Died of disease - enteric fever 23 Nov 1901
Place: Kimberley
Source: In Memoriam by S Watt | South African Constabulary |
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