| Surname | Forename | Rank | Unit | Born | Resided |
| MCNALLY | Edward Joseph | Staff Sergeant Saddler | Royal Army Service Corps | Born Dublin | Resided Cork |
| MCNALLY | John | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Sandymount, Co. Dublin | |
| MCNALLY | Joseph | Private | Prince Of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| MCNALLY | Myles | Private | Royal Dublin Fusiliers | Born Blackrock, Co. Dublin | Resided Blackrock |
| MCNALLY | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | Resided Wolfestown, Co. Kildare |
| MCNALLY | William | Rifleman | Royal Irish Rifles | Born Dublin | |
| McNAMARA | Michael | Trimmer | S.S. "Ausonia" (Liverpool) | Born in Dublin | |
| MCNAMARA | Michael | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | Resided Dublin |
| MCNAMARA | Richard Thomas | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| MCNAMARA | Stephen | Private | Machine Gun Corps | Born Dublin | |
| MCNAMARA | William | Private | Royal Inniskilling Fusiliers | Birthplace unknown | Resided Dublin |
| MCNAMEE | Patrick | Private | Machine Gun Corps | Born Dublin | |
| MCNEIL | Robert | Private | Machine Gun Corps | Born Dublin | |
| McNULTY | Reginald Walter | Trimmer | H.M.S. "Paxton" | | |
| MCNULTY | Henry Lawrence | Private | Royal Dublin Fusiliers | Born Dublin | Resided Enniskerry, Co. Wicklow |
| MCNULTY | Robert | Rifleman | Royal Irish Rifles | Born Dublin | Resided Dublin |
| MCQUAID | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCQUILLAN | Edward | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCQUILLAN | James | Private | Duke Of Wellington's (West Riding Regiment) | Born Dublin | |
| MCQUIRK | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCSHANE | Joseph | Acting 2nd Corporal | Corps Of Royal Engineers | Born St. Paul's, Co. Dublin | |
| MCSWEENEY | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCSWEENEY | Ralph | Private | Royal Munster Fusiliers | Birthplace unknown | Resided Dublin |
| MCTIGHE | Patrick | Private | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | Resided Galway |
| MCVEIGH | Patrick | Driver | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| MCVEIGH | William | Private | Irish Guards | Born Dublin | |
| MEACHER | Edward | Company Sergeant Major | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| MEADE | Victor Harold | Private | 13th Battalion, Australian Infantry, Australian Imperial Force | Born at Geelong, Victoria, Australia | |
| MEADE | Michael | Captain | The King's (Liverpool Regiment) | | |
| MEADE | Joseph | Private | Royal Dublin Fusiliers | Born Booterstown, Co. Dublin | |
| MEADE | Michael | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| MEADE | Michael | Lance Corporal | Royal Dublin Fusiliers | Born Dun Laoghaire, Co. Dublin | Resided Blackrock, Co. Dublin |
| MEADE | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| MEADEN | Norman Charles | Private | Norfolk Regiment | Born Dublin | |
| MEADTH | John | Driver | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| MEAGHER | Joseph | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | Resided Dublin |
| MEANEY | James | Private | King's (Shropshire Light Infantry) | Born Dublin | Resided Clonmelch, Co. Carlow |
| MEANEY | Thomas | Sergeant | Royal Irish Rifles | Born Dublin | |
| MEARS | William | Rifleman | Rifle Brigade (The Prince Consort's Own) | Born Dublin | Resided Dun Laoghaire, Dublin |
| MEATES | Michael | Private | Royal Irish Regiment | Born Mount Argus, Dublin | |
| MEDLEY | James | Ship's Cook | S.S. "Lorle" (West Hartlepool) | Born in Dublin | |
| MEEHAN | William | Chief Engine Room Artificer | H.M.S. "Aboukir" | | |
| MEEHAN | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| MEEHAN | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| MEEHAN | John | Corporal | Royal Irish Rifles | Born Dublin | Resided Manorhamilton, Co. Leitrim |
| MEEHAN | John Joseph | Rifleman | Royal Irish Rifles | Born Dublin | |
| MEEHAN | Patrick | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| MEKINS | Laurence | Private | Buffs (East Kent Regiment) | Born St. Kevins, Dublin | Resided Dublin, Ireland |
| MELEADY | Martin | Lance Corporal | Royal Irish Rifles | Born Dublin | Resided Blackrock, Co. Dublin |
| MELLON | Patrick | Corporal | Royal Dublin Fusiliers | Born Dublin | |