| Roberts | John | 449 | Trooper | Source: Nominal roll in WO127 | Kimberley Horse |
| Roberts | John | 365 | Trooper | Source: Nominal roll in WO127 | Kimberley Horse |
| Roberts | John | 1706 | | Attested: Jun 1903. Source: CMP 48 | Cape Police |
| Roberts | John | 1036 | Private | Source: Nominal roll in WO127 | Imperial Light Infantry |
| Roberts | John | 31722 | Corporal | Source: QSA Medal Rolls | 37th Company, 10th Btn, IY |
| Roberts | John | 21630 | Sergeant | Source: QSA Medal Rolls | 7th Company, 4th Btn, IY |
| Roberts | John | 40153 | Trooper | Source: QSA Medal Rolls | Imperial Yeomanry |
| Roberts | John | | | Source: WO100/285 | Somerset East TG |
| Roberts | John Alexander | 574 | Trooper | Source: OZ-Boer database | New South Wales, NSW Lancers |
| Roberts | John Alexander | 574 | Trooper | Taken prisoner Slingersfontein; joined after release at Waterval, 6.6.00
Source: Official Records of the Australian Military Contingents by P L Murray | New South Wales, NSW Lancers |
| Roberts | John Bloom | 20721 | Private | Source: QSA Medal Rolls | 76th Company, 20th Btn, IY |
| Roberts | John C | 307 | Private | Source: QSA and KSA medal rolls | Dordrecht District Volunteer Guard |
| Roberts | John Cuthbert | 285 | | Source: Attestation paper in WO126 | Brabant's Horse |
| Roberts | John D | | | 1st Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Roberts | John Dixon St James | 12294 | Private | Source: QSA Medal Rolls | 66th Company, 3rd Btn, IY |
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