| Mason | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | (King's Own) Royal Lancaster Regiment |
| Mason | J | | Private | Served 04 May 00 to 23 Oct 00. Joined I.M.R.
Source: Nominal roll in WO127 | Cape Medical Staff Corps |
| Mason | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | (King's Own) Yorkshire Light Infantry |
| Mason | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Prince of Wales's Own) West Yorkshire Regiment |
| Mason | J | 3223 | Private | 2nd Btn. Severely wounded at Colenso. 15 Dec 1899.
Source: Natal Field Force Casualty Roll, page 34 line 12 | (Queen's) Royal West Surrey Regiment |
| Mason | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Dublin Fusiliers |
| Mason | J | | Ordinary Seaman | QSA (0). Ref: 200.152. Medal returned
Source: QSA medal rolls | HMS Niobe |
| Mason | J | 4232 | Rifleman | 1st Battalion
Demise: Died of disease - dysentery 09 Feb 1900
Place: Mooi River
Source: In Memoriam by S Watt | (Prince Consort's Own) Rifle Brigade |
| Mason | J | | | 4th Battalion
Source: Medal rolls | (Princess Louise's) Sutherland and Argyll Highland |
| Mason | J | | Trooper | Frontier Wars. SAGS (1) 1877-8 | Stockenstroom Rangers |
| Mason | J | | Trooper | Frontier Wars. SAGS (1) 1879 | Transvaal Rangers |
| Mason | J | 4136 | Private | Frontier Wars. SAGS (1) 1879 | Grenadier Guards |
| Mason | J | 2100 | Private | Frontier Wars. SAGS (1) 1879. Medal returned | Northamptonshire Regiment |
| Mason | J | 1522 | Private | Frontier Wars. SAGS (1) 1879 | South Staffordshire Regiment |
| Mason | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | Lancashire Fusiliers |
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