| Mason | Thomas | | | Source: WO100/280 | Cala Town Guard |
| Mason | Thomas | 44 | Private | Source: OZ-Boer database | Victoria, 1st Victorian Contingent |
| Mason | Thomas | 1485 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Mounted Rifles |
| Mason | Thomas | 1111 | Private | QSA (5) CC Wep Tr Witt SA01
Source: Wepener Siege Account and Medal Roll | Kaffrarian Rifles |
| Mason | Thomas James | 32154 | Trooper | Source: QSA Medal Rolls | 87th Company, 22nd Btn, IY |
| Mason | Trevor | 33520 | Trooper | Source: QSA Medal Rolls | 89th Company, 9th Btn, IY |
| Mason | U F | | | Source: Medal rolls | Ceylon, Ceylon Mounted Infantry |
| Mason | W | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Own Scottish Borderers |
| Mason | W | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Mason | W | | | 1st Battalion
Source: QSA and KSA medal rolls | (Queen's Own) Cameron Highlanders |
| Mason | W | | | Source: QSA and KSA medal rolls | New Zealand, 8th Contingent |
| Mason | W | | | 2nd Battalion
Source: QSA and KSA medal rolls | Northumberland Fusiliers |
| Mason | W | 4292 | Private | 2nd Battalion
Demise: Killed in action 12 Feb 1900
Place: Slingersfontn, Worcester Hill
Source: In Memoriam by S Watt | Worcestershire Regiment |
| Mason | W | 3070 | Private | Demise: Killed in action 22 Sep 1901
Place: Vaal & Wilge River Junction
Source: In Memoriam by S Watt | New South Wales, 3rd Contingent NSW Mounted Rifles |
| Mason | W | 5069 | Sergeant | 1st Battalion
Source: QSA roll | (Princess Victoria's) Royal Irish Fusiliers |
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