| Johnston | George | 198 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Johnston | George | 706 | | Died of disease. Attested: Feb 1899. Source: CMP 25 | Cape Police |
| Johnston | George | 40973 | Private | Source: QSA Medal Rolls | 175th Company, 29th Btn, IY |
| Johnston | George | 9034 | | Source: Attestation paper in WO126 | Brabant's Horse |
| Johnston | George Augustus | 783 | Trooper | Source: OZ-Boer database | New South Wales, 2nd Contingent NSW Mounted Rifles |
| Johnston | George B | 364 | Trooper | Served in 2nd KFS. Joined Port Elizabeth 17 Dec 00 Discharged Pretoria 26 Jun 01
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Johnston | George Brown | 364 | Lance Corporal | Served in 1st KFS. Joined Durban 30 Jul 01 Discharged 1 Jan 02 completion of service Cape Town
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Johnston | George Brown | 1267 | Trooper | 1st Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Johnston | George Frederick | 35657 | Private | Source: QSA Medal Rolls | 110th Company, 2nd Btn, IY |
| Johnston | George Jamieson | | Lieutenant Colonel | Source: OZ-Boer database | Victoria, 4th Battalion Australian Commonwealth Ho |
| Johnston | George Jamieson | | Captain | Special Service Officer
Source: OZ-Boer database | Victoria contingent |
| Johnston | George Milne | 706 | Private | QSA (4)
Source: List of QSAs with the clasp Defence of Kimberley | Cape Police |
| Johnston | George Paul Graves | 511 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Johnston | George Robert | 33267 | Sergeant | Served 19 Feb 01 to 03 Sep 02. Discharged Aldershot, Second Number 19888
Source: Nominal roll in WO127 | Scottish Horse |
| Johnston | George William | | | Source: QSA and KSA medal rolls | 21st Battery, RFA |
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