| Walker | R | | | Source: QSA and KSA medal rolls | Midland Mounted Rifles |
| Walker | R | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Prince of Wales's Own) West Yorkshire Regiment |
| Walker | R | | | Source: QSA and KSA medal rolls | Cape Town Highlanders |
| Walker | R | | | District 2
Source: QSA and KSA rolls | Cape Police |
| Walker | R | 6169 | Private | Died of disease. Kroonstad, 18 January 1901
3rd Battalion.
Source: South African Field Force Casualty Roll | (Princess of Wales's Own) Yorkshire Regiment |
| Walker | R | 3302 | Private | Prisoner. Stormberg, 10 December 1899
2nd Battalion.
Source: South African Field Force Casualty Roll | Northumberland Fusiliers |
| Walker | R | 3162 | Private | Slightly injured. Smaldeel, 5 April 1901
2nd Battalion. Derailed train
Source: South African Field Force Casualty Roll | (Duke of Albany's Ross-shire Buffs) Seaforth Highl |
| Walker | R | 6001 | Bombardier | Wounded. Diamond Hill, 11 June 1900
Source: South African Field Force Casualty Roll | P Battery, RHA |
| Walker | R | 4123 | Private | Wounded. Retief's Nek, 23 July 1900
1st Battalion.
Source: South African Field Force Casualty Roll | Highland Light Infantry |
| Walker | R | 6841 | Private | Wounded. Retief's Nek, 23 July 1900
1st Battalion.
Source: South African Field Force Casualty Roll | Highland Light Infantry |
| Walker | R | 85 | Corporal | Wounded. Rhenoster River, 7 June 1900
Source: South African Field Force Casualty Roll | Railway Pioneer Regiment |
| Walker | R | | | Source: Ancestry index | A Battery, RHA |
| Walker | R | | | Source: Ancestry index | A Battery, RHA |
| Walker | R | | | Source: Ancestry index | A Battery, RHA |
| Walker | R | | Private | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Natal Rangers |
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