| Mason | A | 7778 | Private | Died of disease. Pretoria, 1 August 1900
3rd Battalion.
Source: South African Field Force Casualty Roll | Grenadier Guards |
| Mason | A | 5635 | Lance Corporal | Killed in action. Klipjs River, 6 August 1901
4th Battalion. 20 Ml
Source: South African Field Force Casualty Roll | Royal Fusiliers (City of London Regiment) |
| Mason | A | 6023 | Private | Wounded. Enslin, 25 November 1899
2nd Battalion.
Source: South African Field Force Casualty Roll | (King's Own) Yorkshire Light Infantry |
| Mason | A | 5220 | Private | Wounded. Senekal, 29 May 1900
2nd Battalion.
Source: South African Field Force Casualty Roll | Grenadier Guards |
| Mason | A | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Irish Regiment |
| Mason | A | | Private | QSA (1)
Source: List of QSAs with the clasp Defence of Kimberley | Kimberley TG |
| Mason | A | 1190 | Sapper | Transferred to G Company 5 May 1900.
QSA (2) CC OFS
TNA ref 156/43 | Royal Engineers, Railway Company, 10th |
| Mason | A | | | 1st Battalion, Volunteer Service Company
Source: QSA and KSA medal rolls | Leicestershire Regiment |
| Mason | A | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
| Mason | A | | | 2nd Battalion
Source: QSA and KSA medal rolls | Bedfordshire Regiment |
| Mason | A | | | 2nd Volunteer Service Company
Source: QSA and KSA medal rolls | Bedfordshire Regiment |
| Mason | A | | | 2nd Battalion
Source: QSA and KSA medal rolls | (King's Own) Yorkshire Light Infantry |
| Mason | A | 15067 | Driver | Frontier Wars. SAGS (1) 1879. 30th Company | Royal Engineers |
| Mason | A | | | 1st Battalion
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Mason | A | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
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