| Clarke | Harry L | 31378 | Trooper | Source: QSA Medal Rolls | 102nd Company, 5th Btn, IY |
| Clarke | Henry | 7692 | Private | Source: QSA Medal Rolls | 25th Company, 7th Btn, IY |
| Clarke | Henry | 389 | | Attested: Dec 1901. Source: CMP7 | Cape Police |
| Clarke | Henry | 28807 | Sergeant | Source: Nominal roll in WO127 | Rand Rifles |
| Clarke | Henry | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Inniskilling Fusiliers |
| Clarke | Henry | 38255 | Trooper | No known Company. Served in 27th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| Clarke | Henry | 43036 | Trooper | No known Company. Served in 39th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| Clarke | Henry | 4710 | Private | QSA (4). Second initial as 'W' on E.C. Roll.
Source: QSA medal rolls | 1st (King's) Dragoon Guards |
| Clarke | Henry Charles | 300 | Trooper | Source: OZ-Boer database | South Australia, 5th Imperial Contingent |
| Clarke | Henry Morrison | 10980 | Private | Source: QSA Medal Rolls | 60th Company, 17th Btn, IY |
| Clarke | Herbert | 32283 | Sergeant | Source: QSA Medal Rolls | 109th Company, 3rd Btn, IY |
| Clarke | Herbert | 83 | Trooper | Source: Nominal roll in WO127 | Loch's Horse |
| Clarke | Horace S | | | B Division
Source: QSA and KSA medal rolls | South African Constabulary |
| Clarke | Horatio St. John | 724 | Private | Source: OZ-Boer database | Victoria, 3rd Bushman's Contingent |
| Clarke | Howell Stevens | 52 | | Occupation: Clerk. Next of kin: Daughter. Address: Deane Crescent .
Source: Attestation paper in WO126 | Town Guard and District Mounted Troops |
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