| Name (1649 results) | Rank | Regiment |
|---|---|---|
| Maher, John C. | Lieutenant | Irish Guards |
| Mahony, Thomas B. | Captain | Royal Irish Regiment |
| Mahony, Edward Archibald | Second Lieutenant | R.I.R |
| Mahony, M.J. | Major | Royal Army Medical Corps |
| Mahony, Frederick Henry | Captain | 3rd Battalion Cheshire Regiment |
| Malcolmson, Hubert | Captain | Royal Irish Regiment |
| Mallins, Claude O'Conor | Second Lieutenant | 2nd Battalion Connaught Rangers |
| Malone, John Reginald | Sergeant | Royal Flying Corps |
| Manly, Eric Cecil John | Lieutenant | Royal Field Artillery |
| Markes, J. Carlon | Major | Leinster Regiment |