| Allen | Henry | 40768 | Private | Source: QSA Medal Rolls | 132nd Company, 29th Btn, IY |
| Allen | Henry | | | Source: Attestation paper in WO126 | Bethune's Mounted Infantry |
| Allen | Henry | | | Source: Attestation paper in WO126 | Brabant's Horse |
| Allen | Henry | 1043 | Trooper | Served 28 Jul 00 to 10 Aug 02 NOK: Mother: Mrs Ann Allen Rodley, Westbury: on: Severn Gloucestershire. Trooper Dischargedcharged 10yh May 1902
Source: Nominal roll in WO127 | Bethune's Mounted Infantry |
| Allen | Henry | 39947 and 30 | Trooper | 1st Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Allen | Henry | 34903 | Trooper | Served 07 Jun 01 to 24 Dec 01. Discharged Completion of Service, Second number 9793
Source: Nominal roll in WO127 | Scottish Horse |
| Allen | Henry | 660 | Corporal | Served 13 Apr 01 to 24 Oct 01. Discharged
Source: Nominal roll in WO127 | Scottish Horse |
| Allen | Henry | 418 | Trooper | Source: Nominal roll in WO127 | Scott's Railway Guards |
| Allen | Henry | | | Source: QSA and KSA medal rolls | 66th Battery, RFA |
| Allen | Henry Charles Daniel | | Orderly | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Allen | Henry Chas David | | Trooper | Rejected
Source: Nominal roll in WO127 | Steinaecker's Horse |
| Allen | Henry Douglas | 26 | | Occupation: Miner. Next of kin: Father. Address: Hereford UK .
Source: Attestation paper in WO126 | Town Guard and District Mounted Troops |
| Allen | Henry Douglas | 21802 | Trooper | Source: Nominal roll in WO127 | Queenstown Rifle Volunteers |
| Allen | Henry John | 6769 | Private | Source: QSA Medal Rolls | 43rd Company, 12th Btn, IY |
| Allen | Henry John | 7014 | | Source: Medal rolls | Canada, 2nd Royal Canadian Regiment of Infantry |
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