| Surname | Forename | Rank | Unit | Born | Resided |
| CATLIN | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| CAULFEILD | Algernon Montgomerie | Major | 6th Battalion, Border Regiment | | |
| CAULFIELD | Moses | Able Seaman | H.M.S. "Black Prince" | Native of Dublin | |
| CAULFIELD | Patrick James | Acting Sergeant | Duke of Wellington's (West Riding Regiment) | Born Drumcondra, Dublin | Resided Tooting |
| CAULFIELD | William | Private | Royal Irish Regiment | Born St. James, Dublin | |
| CAULWELL | Michael | Private | Royal Inniskilling Fusiliers | Born Rathfarnham, Co. Dublin | Resided Ballybrack |
| CAWLEY | William | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Chapelizod, Co. Dublin | Resided Chapelizod |
| CECIL | Robert Angus Malcolm | Pioneer | Corps of Royal Engineers | Born Dublin | |
| CHALKLEY | Henry | Rifleman | Royal Irish Rifles | Born Dublin | |
| CHAMBERS | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| CHAMPMAN | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| CHANDLER | Thomas Patrick | Sergeant | Connaught Rangers | Born Dublin | Resided Dublin |
| CHAPMAN | Raleigh George Aubrey | Lieutenant | 7th Divisional Train, Royal Army Service Corps | | |
| CHAPMAN | William | Rifleman | Royal Irish Rifles | Born Dublin | |
| CHARLES | Alfred | Private | Royal Munster Fusiliers | Born Dublin | Resided Liverpool |
| CHARLES | Robert | Rifleman | Royal Irish Rifles | Born Dublin | |
| CHASTY | John Norrish | Corporal | Royal Inniskilling Fusiliers | Born Portaferry, Co. Down | Resided Dublin |
| CHATFIELD | George Patrick | Sergeant | Queen's (Royal West Surrey Regiment) | Born Newbridge, Kildare | Resided Dundrum, Dublin |
| CHERRY | Joseph | Private | Royal Irish Regiment | Born St. Kevin's, Dublin | Resided Dublin |
| CHILTON | John | Lance Corporal | Seaforth Highlanders (Rossshire Buffs, the Duke of Albany's) | Born Pembroke, Dublin | |
| CHINN | Samuel Arthur | Private | Duke of Cornwall's Light Infantry | Born Dublin, Ireland | |
| CHIPPERFIELD | S J | Gunner | 36th Heavy Artillery Group. Australian Heavy Artillery | Born at Watford, Hertfordshire, England | |
| CHIPPERFIELD | George Henry | Sergeant | Essex Regiment | Born West Ham, Essex | Resided Dublin |
| CHRISTIAN | Colin Campbell | Private | 3rd Battalion, Australian Infantry, Australian Imperial Force | | |
| CHRISTIAN | Robert Burns | Acting Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| CHRISTIAN | Thomas | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| CHRISTMAS | Fergus | Lance Corporal | Duke of Cambridge's Own (Middlesex Regiment) | Born the Mariners, Dublin | Resided South Kensington, Middlesex |
| CHURCHILL | Charles | Private | Royal Irish Regiment | Born St. Michael and Johns, Dublin | |
| CLANACHAN | James | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dundrum, Co. Dublin | Resided Blacklion, Co. Cavan |
| CLANCEY | William | Private | Irish Guards | Born Dublin | |
| CLANCHY | Arthur | Captain | Royal Army Medical Corps | | |
| CLANCY | George David Louis | Second Lieutenant | 4th Battalion, Royal Irish Rifles, attached 1st Battalion, Leinster Regiment | | |
| CLANCY | Joseph | Private | Monmouthshire Regiment (Territorial Force) | Born St. Patrick's, Dublin, Ireland | |
| CLANCY | Michael | Private | Connaught Rangers | Born Dublin | Resided Cork |
| CLANCY | William | Private | Royal Inniskilling Fusiliers | Born Dun Laoghaire, Co. Dublin | Resided Dun Laoghaire |
| CLARE | Michael | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLARE | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLARK | Ellis | Second Lieutenant | 1st Battalion, Lancashire Fusiliers | | |
| CLARK | Patrick | Private | Royal Inniskilling Fusiliers | Birthplace unknown | Resided Dublin |
| CLARKE | Manford Wesley | Private | 46th Battalion, Canadian Infantry (Saskatchewan Regiment) | | |
| CLARKE | George Alexander | Second Lieutenant | Royal Dublin Fusiliers | | |
| CLARKE | Patrick | Rifleman | London Regiment | Birthplace unknown | Resided Killiney, Co. Dublin |
| CLARKE | Andrew | Lance Corporal | Royal Irish Rifles | Born Comber, Co. Down | Resided Dublin |
| CLARKE | John Harry | Acting Sergeant | Queen's Own (Royal West Kent Regiment) | Born Hampstead, Middx. | Resided Dublin |
| CLARKE | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLARKE | Dominick | Private | Machine Gun Corps | Born St. Lawrence, Dublin | Resided Dublin |
| CLARKE | Hugh | Private | Royal Munster Fusiliers | Born St. Thomas's, Dublin | Resided Dublin |
| CLARKE | James | Private | King's Own (Royal Lancaster Regiment) | Born Dublin | |
| CLARKE | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| CLARKE | John | Gunner | Royal Garrison Artillery | Born Dublin | |