| Allen | J | | Trooper | Demise: Drowned 23 Apr 1901
Place: Norvals Pont
Source: In Memoriam by S Watt | South African Constabulary |
| Allen | J | 3829 | Private | 3rd Battalion
Demise: Killed accidentally on railway 30 Jul 1900
Place: Frederikstad
Source: In Memoriam by S Watt | (King's) Shropshire Light Infantry |
| Allen | J | 6296 | Private | 2nd Battalion
Demise: Killed in action 27 Feb 1900
Place: Tugelahts, Pieter's Hill
Source: In Memoriam by S Watt | Royal Dublin Fusiliers |
| Allen | J | 2873 | Private | 2nd Battalion
Demise: Killed in action 18 Feb 1900
Place: Tugela Heights. Cingolo
Source: In Memoriam by S Watt | (Queen's) Royal West Surrey Regiment |
| Allen | J | 3656 | Lance Corporal | Demise: Killed in action 12 Feb 1900
Place: Slingersfontn. Worcester Hill
Source: In Memoriam by S Watt | Worcestershire Regiment |
| Allen | J | 3728 | Corporal | 2nd Battalion
Source: QSA medal roll in WO100/185 | East Surrey Regiment |
| Allen | J | 2849 | Private | 2nd Battalion
Source: QSA medal roll in WO100/185 | East Surrey Regiment |
| Allen | J | | | 2nd Battalion. Attached Burma Mounted Infantry
Source: QSA and KSA medal rolls | (Duke of Wellington's) West Riding Regiment |
| Allen | J | | | 1st Battalion
Source: QSA and KSA medal rolls | (King's) Liverpool Regiment |
| Allen | J | | | 1st Battalion
Source: QSA and KSA medal rolls | King's Royal Rifle Corps |
| Allen | J | | | 4th Battalion
Source: QSA and KSA medal rolls | Manchester Regiment |
| Allen | J | | | 6th Battalion
Source: QSA and KSA medal rolls | Manchester Regiment |
| Allen | J | 5530 | Private | Died of disease. Barberton, 16 June 1901
2nd Battalion. MI
Source: South African Field Force Casualty Roll | (King's) Shropshire Light Infantry |
| Allen | J | 215 | Private | Died of disease. Boshof, 6 February 1901
4th Battalion.
Source: South African Field Force Casualty Roll | (Cameronians) Scottish Rifles |
| Allen | J | 7873 | Private | Died of disease. Deelfontein, 14 May 1900
3rd Battalion.
Source: South African Field Force Casualty Roll | Grenadier Guards |
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