| Surname | Forename | Rank | Unit | Born | Resided |
| MCGUINNESS | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUINNESS | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUIRE | Bernard James | Private | King's (Liverpool Regiment) | Born Dublin | Resided Liverpool |
| MCGUIRE | John | Private | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | Resided Buck Hayon, Fife |
| MCGUIRE | Matthew | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUIRE | Michael | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUIRE | Owen | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| MCGUIRE | Peter | Private | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | |
| MCGUIRE | Robert | Private | Royal Army Service Corps | Born Dublin | Resided Dublin |
| MCGUIRK | Andrew | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| MCGUIRK | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUIRK | Edward | Private | Royal Dublin Fusiliers | Born Blackrock, Co. Dublin | Resided Blackrock |
| McGUSTY | B E | Second Lieutenant | Leinster Regiment | | |
| McGUSTY | George Ross | Lieutenant | Royal Irish Rifles | | |
| McHUGH | Edward James | Lieutenant | 6th Battalion, Royal Inniskilling Fusiliers | | |
| MCHUGH | Stephen | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCINDOE | George Donaldson | Driver | Royal Horse Artillery and Royal Field Artillery | Born Island Bridge, Dublin | |
| MCINERNEY | Charles | Bombardier | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| MCINERNEY | Thomas | Private | Connaught Rangers | Born Limerick | Resided Dublin |
| MCINTYRE | John | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| McKAY | Douglas | Private | 15th Battalion, Canadian Infantry (Central Ontario Regiment) | Native of Lucan, Co. Dublin | |
| McKEEVER | Louis Lawrence | Captain | Royal Army Medical Corps, attached 1st/4th Battalion, Royal Scots Fusiliers | | |
| MCKEEVER | John | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| MCKEEVER | John | Private | Princess Louise's (Argyll & Sutherland Highlanders) | Born Dublin | Resided Lurgan, Co. Armagh |
| MCKEIRNAN | Edward | Private | East Surrey Regiment | Born Dublin | |
| MCKENDRICK | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| McKENNA | Andrew | Seaman | H.M.S. "Bulwark" | | |
| McKENNA | Cyril James | Second Mate | S.S. "Clan Murray" (Glasgow) | Born at Ballintemple, Cork | |
| McKENNA | James | Leading Seaman | S.V. "Olwen" | | |
| MCKENNA | Frederick | Private | Royal Fusiliers (City Of London Regiment) | Born Dublin | Resided Dorgheda |
| MCKENNA | Henry | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| MCKENNA | James | Private | Royal Inniskilling Fusiliers | Born Dublin | Resided Lanark |
| MCKENNA | James | Shoeing Smith Corporal | Royal Horse Artillery and Royal Field Artillery | Born Finglas, Dublin | |
| MCKENNA | James | Rifleman | Royal Irish Rifles | Born Dublin | |
| MCKENNA | John | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| MCKENNA | John | Sapper | Corps Of Royal Engineers | Born Dublin | Resided Dublin |
| MCKENNA | John | Sergeant | Gordon Highlanders | Born Dublin | |
| MCKENNA | Joseph | Lance Sergeant | Royal Inniskilling Fusiliers | Born Dublin | |
| MCKENNA | Matthew | Private | Alexandra, Princess of Wales's Own (Yorkshire Regiment) | Born Dublin | Resided Dublin |
| MCKENNA | Patrick | Private | King's Own (Yorkshire Light Infantry) | Born St. Catherine, Dublin | |
| MCKENNA | Patrick | Private | Gordon Highlanders | Born Kilcancho, Co. Dublin | |
| MCKENNA | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| MCKENNA | Thomas | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| MCKENNA | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCKENNA | Thomas | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| MCKENNA | Charles | Rifleman | Royal Irish Rifles | Born Belfast | Resided Rathmines, Co. Dublin |
| MCKEON | Michael J. | Private | Irish Guards | Born Dublin | Resided Dublin, Co. Dublin |
| MCKEON | Patrick | Private | Labour Corps | Born St. Michams, Dublin | Resided St. Michams |
| MCKEON | Thomas | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| MCKERHAN | Vincent | Private | Princess Charlotte of Wales's (Royal Berkshire Regiment) | Born Dublin | Resided Shepherds Bush, Middx. |