| Clarke | James Bertram | 5 | Corporal | Source: Nominal roll in WO127 | Rundle's Scouts |
| Clarke | James Burdick | 1448 | | Source: Attestation paper in WO126 | Bethune's Mounted Infantry |
| Clarke | James Edmund | 243 | Ranger | Served from 22/4/1901. Attested: Pretoria. Notes: Number unallocated on nominal roll
Source: Nominal roll | Cattle Ranger's Corps |
| Clarke | James Edmund | | QMS | Served 01 Nov 01 to 17 May 02. Discharged
Source: Nominal roll in WO127 | Canadian Scouts |
| Clarke | James Edmund | 73 | Trooper | Source: OZ-Boer database | New South Wales, NSW Citizen's Bushmen |
| Clarke | James Edward | 39253 | Private | Source: QSA Medal Rolls | Imperial Yeomanry |
| Clarke | James Ellis | 1707 | Private | Source: QSA Medal Rolls | 22nd Company, 2nd Btn, IY |
| Clarke | James Golding | 36071 | Trooper | Source: QSA Medal Rolls | 40th Company, 10th Btn, IY |
| Clarke | James Gregory | 50 | Private | Source: OZ-Boer database | South Australia, 2nd Mounted Rifles Contingent |
| Clarke | James H | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Clarke | James Harold | 30 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Clarke | James John | 9651 | Private | Source: QSA Medal Rolls | 45th Company, 13th Btn, IY |
| Clarke | James Joseph | 1051 | Trooper | Source: OZ-Boer database | New South Wales, 2nd Contingent NSW Mounted Rifles |
| Clarke | James Neil | | | Source: QSA and KSA medal rolls | New Zealand, 9th Contingent |
| Clarke | James R | 4003 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Imperial Bushm |
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