| Surname | Forename | Rank | Unit | Born | Resided |
| MCFALL | James | Private | Royal Dublin Fusiliers | Born Rathmines, Dublin | Resided Dublin |
| McFARLAND | J W | Private | 2nd Canadian Mounted Rifles (British Columbia Regiment) | | |
| MCFARLANE | James | Lance Corporal | Highland Light Infantry | Born Dublin | |
| MCFEELEY | John | Private | Lancashire Fusiliers | Born Dublin | |
| McFERRAN | Thomas Malcolm | Second Lieutenant | 1st Squadron, Royal Flying Corps and General List | | |
| MCFETTERS | William | Private | Cameronians (Scottish Rifles) | Born St. James, Dublin | |
| MCGALEY | Richard | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| MCGARRY | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGAULEY | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGAVIN | Dennis John | Rifleman | London Regiment | Born Dublin | Resided Leyton |
| McGEE | William | Seaman | H.M.S. "Goliath" | | |
| MCGEE | Patrick | Lance Corporal | Royal Dublin Fusiliers | Born Rush, Co. Dublin | |
| MCGHEAN | Thomas | Private | Royal Inniskilling Fusiliers | Born Dublin | |
| MCGIBNEY | James Joseph | Company Sergeant Major | Royal Irish Rifles | Born Dublin | |
| MCGILLEN | Robert | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Leinster, Dublin | |
| McGILLIVRAY | Joseph | Petty Officer | H.M.S. "Louvain" | | |
| MCGINN | Thomas | Private | Prince of Wales's Volunteers (South Lancashire Regiment) | Born Dublin | |
| MCGINN | William | Private | Royal Dublin Fusiliers | Born Harolds Cross, Dublin | |
| MCGINN | James | Driver | Royal Horse Artillery and Royal Field Artillery | Birthplace unknown | Resided Pigeon House Fort, Dublin |
| McGONAGIL | C J | Lieutenant (Quartermaster) | 8th Battalion, York and Lancaster Regiment | | |
| MCGOUGH | John | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Sandycove, Co. Dublin | Resided Dun Laoghaire, Co. Dublin |
| MCGOVERN | Francis | Corporal | Royal Irish Rifles | Born Dublin | |
| MCGOVERN | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGOVERN | Thomas | Acting Lance Corporal | Highland Light Infantry | Born Dublin | |
| MCGOWRAN | Christopher | Private | Prince of Wales's Volunteers (South Lancashire Regiment) | Born Dublin | Resided Fairview, Dublin |
| MCGOWRAN | Thomas | Private | Royal Irish Regiment | Born St. Mary's, Dublin | |
| McGRANE | Robert John | Gunner | | Born at Clonsilla, Co. Dublin | |
| McGRANE | Peter Leo | Second Lieutenant | 3rd Battalion, Royal Irish Regiment, attached 1st Battalion, Royal Inniskilling Fusiliers | | |
| MCGRANE | Patrick | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| McGRATH | Michael | Fireman | S.S. "Cork" (Dublin) | Born at Kilcarn, Co. Louth | |
| MCGRATH | John | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| MCGRATH | John | Company Quartermaster Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| MCGRATH | John | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | Resided Dublin |
| MCGRATH | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGRATH | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGRATH | Richard | Driver | Royal Army Service Corps | Born Dublin | Resided Dublin |
| MCGRATH | John | Rifleman | Royal Irish Rifles | Born Milltown, Co. Antrim | Resided Dublin |
| MCGRATH | Thomas | Private | Royal Army Service Corps | Born Roscrea, Co. Tipperary | Resided Dublin |
| MCGREGOR | Alexander | Lance Corporal | Queen's Own Cameron Highlanders | Born Bray, Dublin, Ireland | Resided Plaistow, London |
| MCGUIGAN | Michael | Private | Royal Dublin Fusiliers | Born Malahide, Co. Dublin | Resided Malahide |
| MCGUINNESS | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUINNESS | James | Private | Royal Munster Fusiliers | Born St. Catherine's, Dublin | Resided Dublin |
| MCGUINNESS | James | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| MCGUINNESS | John | Private | Royal Dublin Fusiliers | Born Chapelizod, Co. Dublin | |
| MCGUINNESS | John | Private | Royal Inniskilling Fusiliers | Born Milltown, Co. Dublin | Resided Greystones |
| MCGUINNESS | John | Private | Irish Guards | Born Dublin | Resided Chapelizod, Co. Dublin |
| MCGUINNESS | Nicholas | Private | South Staffordshire Regiment | Born Dublin | |
| MCGUINNESS | Patrick | Private | Royal Irish Regiment | Born St. Thomas's, Dublin | |
| MCGUINNESS | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| MCGUINNESS | Thomas | Rifleman | Royal Irish Rifles | Born Swords, Co. Dublin | Resided Cloghran, Co. Dublin |