| | Name | Given Name | Initials | Regiment | Unit | Cemetery | Country | Locality | Date of Death |
 |  | MARTIN | ROGER WILLIAM | R W | South African Infantry | 2nd Regt. | LIJSSENTHOEK MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1918-05-05 |
| | | McARTHUR | DANIEL | D | South African Infantry | 1st Regt. | GROOTEBEEK BRITISH CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1918-04-27 |
| | | McDONALD | ALBERT WILLIAM HARVEY | A W H | South African Infantry | 3rd Regt. | NINE ELMS BRITISH CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-09-21 |
| | | McGUINNESS | THOMAS WALLACE | T W | South African Infantry | 4th Regt. | NINE ELMS BRITISH CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-09-20 |
| | | MEAD | SYDNEY HERBERT | S H | South African Infantry | 1st Regt. | DOZINGHEM MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-09-20 |
| | | MELVILL | MELVILL LEOPOLD | M L | Royal Field Artillery | 108th Bty. | LIJSSENTHOEK MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-10-31 |
| | | MENZIES | WILLIAM PATTERSON | W P | South African Infantry | 4th Regt. | LIJSSENTHOEK MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1918-04-12 |
| | | METH | FRANTZ | F | South African Infantry | 2nd Regt. | DOZINGHEM MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-10-26 |
| | | MISQUITH | JUAN CARLOS | J C | Royal Field Artillery | 102nd Bde. | LIJSSENTHOEK MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-02-04 |
| | | MORGAN | PERCY DAVID | P D | South African Infantry | 3rd Regt. | MENDINGHEM MILITARY CEMETERY | Belgium | Poperinge, West-Vlaanderen | 1917-09-24 |