| Chalmers | Andrew | 750 | Trooper | QSA (5) CC Wep Witt Belf SA01
Source: Wepener Siege Account and Medal Roll | Brabant's Horse |
| Chalmers | Andrew | 32974 | Scout | Source: Nominal roll | French's Scouts |
| Chalmers | Andrew | | Trooper | Source: Nominal roll in WO127 | Gorringe's Flying Column |
| Chalmers | Arthur | 363 | Trooper | Source: OZ-Boer database | New South Wales, 5th Battalion Australian Commonwe |
| Chalmers | Augus | | | Source: QSA and KSA medal rolls | Southern Rhodesian Volunteers |
| Chalmers | C | | | 1st Battalion
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Chalmers | C | | | 1st Volunteer Company
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| Chalmers | C H | | | Source: QSA and KSA rolls | British South Africa Police |
| Chalmers | C W | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Bulawayo Field Force |
| Chalmers | Cecil Wolsey | 67 | Trooper | Source: Nominal roll in WO127 | Rhodesia Regiment |
| Chalmers | Charles Eric Bryce | 4452 | Private | Source: QSA Medal Rolls | 53rd Company, 11th Btn, IY |
| Chalmers | Charles William | 297 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Imperial Bushm |
| Chalmers | Claude | 1369 | Private | Source: OZ-Boer database | Victoria, 5th Mounted Rifles Contingent |
| Chalmers | Cyril Roderick Alleyne | | Lieutenant | Source: OZ-Boer database | Tasmania, 3rd Battalion Australian Commonwealth Ho |
| Chalmers | Cyril Roderick Alleyne | 2 | Corporal | Source: OZ-Boer database | Tasmania, 3rd Imperial Contingent |
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