| Surname | Forename | Rank | Unit | Born | Resided |
| CLARKE | John | Private | Royal Munster Fusiliers | Born St. Mark's, Dublin | Resided Dublin |
| CLARKE | John | Private | Irish Guards | Born Tallaght, Co. Dublin | |
| CLARKE | John Thomas | Lance Corporal | Royal Dublin Fusiliers | Born Inchicore, Dublin | Resided Banagher, King's Co. |
| CLARKE | Joseph | Private | Irish Guards | Born Dublin | |
| CLARKE | Michael | Private | Irish Guards | Born Dublin | Resided Inchicore, Co. Dublin |
| CLARKE | Patrick | Gunner | Royal Garrison Artillery | Born Fairview, Dublin | Resided Dublin |
| CLARKE | Patrick | Private | Royal Dublin Fusiliers | Born Clontarf, Dublin | |
| CLARKE | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLARKE | Philip | Rifleman | Royal Irish Rifles | Born Dublin | |
| CLARKE | Thomas | Private | King's (Liverpool Regiment) | Born Dublin | Resided Dublin |
| CLARKE | William | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| CLARKE | William | Private | Prince Of Wales's (North Staffordshire Regiment) | Born Rathmines, Dublin | |
| CLARKE | William | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| CLARKE | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLARKSON | Arthur | Private | Connaught Rangers | Born Limerick | Resided Dublin |
| CLAXTON | George William | Sergeant | Alexandra, Princess of Wales's Own (Yorkshire Regiment) | Born Curragh, Dublin | |
| CLAXTON | Patrick Joseph | Private | Border Regiment | Born Dublin | Resided Salford, Lancs |
| CLEARY | Philip | Second Engineer | S.S. "G. A. Savage" (Troon) | Born in Dublin | |
| CLEARY | George | Rifleman | Royal Irish Rifles | Born Dublin | Resided Dun Laoghaire, Co. Dublin |
| CLEARY | James | Private | Royal Army Medical Corps | Born St. Andrews, Dublin | |
| CLEARY | James | Private | Royal Dublin Fusiliers | Born Swords, Co. Dublin | Resided Swords |
| CLEARY | James | Private | Cheshire Regiment | Born St. Patrick's, Dublin | |
| CLEARY | John | Private | East Lancashire Regiment | Born Dublin | Resided Nelson, Lancs |
| CLEARY | John | Private | Royal Dublin Fusiliers | Born Dublin | Resided Reddish, Stockport |
| CLEARY | John | Corporal | Royal Army Service Corps | Born Dublin | Resided Dublin |
| CLEARY | Michael | Private | Cheshire Regiment | Born Dublin | |
| CLEARY | Patrick | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| CLEARY | Patrick | Sergeant | Royal Horse Artillery and Royal Field Artillery | Born Dublin, Ireland | |
| CLEARY | Thomas | Private | Royal Inniskilling Fusiliers | Born Lucan, Co. Dublin | |
| CLERY | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLIFFORD | Cecil | Sergeant | Royal Inniskilling Fusiliers | Born Dublin | |
| CLIFFORD | Edward | Private | Royal Army Medical Corps | Born Rathmines, Dublin | |
| CLIFFORD | Peter | Private | Army Cyclist Corps | Born St. Kevins, Dublin | Resided Dublin |
| CLOHESSY | Thomas | Driver | Royal Army Service Corps | Born Dublin | Resided Dublin |
| CLOSE | H B | Lieutenant | Royal Dublin Fusiliers | | |
| CLOW | Edward | Private | Royal Fusiliers (City of London Regiment) | Born Westminster | Resided Dublin |
| CLYNCH | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| CLYNCH | Joseph | Private | Royal Irish Regiment | Born Balbriggan, Co. Dublin | Resided Balbriggan |
| COADE | William Henry | Lieutenant | 3rd Battalion, Leinster Regiment | | |
| COADY | Patrick | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| COARD | Henry | Private | King's Own (Yorkshire Light Infantry) | Born Clantarf, Co. Dublin | |
| COATES | Edward Jacob | Private | East Yorkshire Regiment | Born Dublin | |
| COATES | John Joseph | Sapper | Corps of Royal Engineers | Born Dublin | |
| COATES | Thomas | Lance Corporal | King's (Liverpool Regiment) | Born Dublin | Resided Dublin |
| COATES | William A. | Private | Royal Irish Regiment | Born St. George's, Dublin | Resided Foxrock, Co. Dublin |
| COBBLEDICK | John Henry James | Private | Royal Dublin Fusiliers | Born Dublin | |
| COCHRANE | James | Company Sergeant Major | Royal Irish Rifles | Born Gordon, Berwick | Resided Dublin |
| COCKBURN | Henry Howard | Second Lieutenant | 4th Battalion, Royal Irish Regiment, attached 2nd Battalion, Royal Inniskilling Fusiliers | Born at Sandymount | |
| CODY | Thomas | Fireman | S.S. "Leinster" (Dublin) | Born at Kilkenny | |
| COEN | Edmund Patrick | Wireless Operator | S.S. "Palmella" (Liverpool) | Born at Cloonagh, Granard, Co. Longford | |