| Surname | Forename | Rank | Unit | Born | Resided |
| CONNOLLY | Patrick | Lance Sergeant | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| CONNOLLY | Stanley Arthur | Corporal | London Regiment | Born Dublin | Resided Clapham |
| CONNOLLY | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| CONNOLLY | William | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| CONNOR | Thomas | Private | Connaught Rangers | Born Galway | Resided Dublin |
| CONNOR | Bernard | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| CONNOR | Charles | Private | Royal Dublin Fusiliers | Born Dublin | |
| CONNOR | Charles | Private | Connaught Rangers | Born Finglas, Co. Dublin | Resided Mulhuddert, Co. Dublin |
| CONNOR | Christopher | Private | Royal Munster Fusiliers | Born Glasthule, Co. Dublin | Resided Dun Laoghaire, Co. Dublin |
| CONNOR | George | Private | Royal Dublin Fusiliers | Born Dublin | |
| CONNOR | Harry | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| CONNOR | James | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| CONNOR | James | Private | Royal Dublin Fusiliers | Born Oldbawn, Co. Dublin | |
| CONNOR | Patrick | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| CONNOR | Philip | Private | Royal Dublin Fusiliers | Born Sandyford, Co. Dublin | Resided Dublin |
| CONNOR | Robert | Private | Machine Gun Corps | Born Dublin | |
| CONNOR | Thomas | Corporal | Royal Inniskilling Fusiliers | Born St. Mary's, Dublin | Resided Dublin |
| CONOLY | Edward | Rank unknown | Royal Fusiliers (City of London Regiment) | Born Dublin | Resided Dublin |
| CONROY | Charles Wellesley | Third Engineer | S.S. "Cento" (Liverpool) | Born in Dublin | |
| CONROY | Patrick | Private | Royal Dublin Fusiliers | Born Maryborough, Queen's Co. | Resided Dublin |
| CONROY | James | Private | Royal Dublin Fusiliers | Born Tullow, Co. Carlow | Resided Dublin |
| CONROY | Christopher | Private | King's (Liverpool Regiment) | Born Dublin | Resided Dublin |
| CONROY | Christopher | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| CONROY | John | Gunner | Royal Garrison Artillery | Born St. Nickolas, Dublin | |
| CONROY | John | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| CONROY | Thomas | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Swords, Dublin | |
| CONROY | Thomas | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| CONWAY | Leo | Private | Otago Regiment, New Zealand Expeditionary Force | Born in Dublin | |
| CONWAY | J | Seaman | S.S. "Polandia" (Liverpool) | Born in Dublin | |
| CONWAY | Edgar Philip | Major | 6th Battalion, Royal Munster Fusiliers | | |
| CONWAY | Joseph | Private | Royal Dublin Fusiliers | Born Cork | Resided Dublin |
| CONWAY | Daniel | Private | Royal Dublin Fusiliers | Born Dublin | |
| CONWAY | Frederick | Corporal | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| CONWAY | James | Private | King's (Liverpool Regiment) | Born Dublin | Resided Liverpool |
| CONWAY | James | Private | Connaught Rangers | Born St. Matthews, Co. Dublin | Resided Belfast |
| CONWAY | Matthew John | Private | Royal Dublin Fusiliers | Born Dublin | |
| CONWAY | Michael | Private | King's (Liverpool Regiment) | Born Dublin | Resided Manchester |
| CONWAY | Patrick | Corporal | Royal Dublin Fusiliers | Born Dun Laoghaire, Co. Dublin | Resided Dun Laoghaire |
| CONWAY | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| CONWAY | Thomas | Private | Durham Light Infantry | Born Dublin | Resided Portadown, Ireland |
| CONYNGHAM | Cecil Allan Taylor | Captain | Royal Army Medical Corps | | |
| COOGAN | Thomas | Stoker | H.M.S. "Bulwark" | | |
| COOK | James John | Private | Royal Munster Fusiliers | Born Dublin | Resided Old Brompton, Kent |
| COOKE | William Wesley | Second Lieutenant | Machine Gun Corps | | |
| COOKE | James | Rifleman | Royal Irish Rifles | Born Dublin | |
| COOKE | James | Lance Corporal | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| COOKE | Michael | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| COOKE | Thomas Henry | Private | Royal Dublin Fusiliers | Born Dublin | |
| COOLING | John | Able Seaman | S.S. "Kennington" (London) | Born in Dublin | |
| COOLING | James | Private | Royal Dublin Fusiliers | Born Dublin | |