| Mouat | Vernon Guy | 1105 | Trooper | Source: Nominal roll in WO127 |
| Mouatt | V G | 1105 | Trooper | Missing in action. Johannesburg, 21 May 1900
Source: South African Field Force Casualty Roll |
| Moulton | Albert | 4358 | Trooper | Source: Nominal roll in WO127 |
| Muir | James | 2252 | Trooper | Source: Nominal roll in WO127 |
| Mullen | H | 3413 | Corporal | Source: Nominal roll in WO127 |
| Muller | C | 2169 | Trooper | Prisoner. Paardeberg, 26 February 1900
Source: South African Field Force Casualty Roll |
| Munroe | John | | Lieutenant | Source: Nominal roll in WO127 |
| Murphy | Augustus Jmaes | 26261 | Trooper | Source: Nominal roll in WO127 |
| Murphy | John Patrick | 35829 | Trooper | Source: Nominal roll in WO127 |
| Murphy | Myles Joseph | 26262 | Trooper | Source: Nominal roll in WO127 |
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