| Surname | Forename | Rank | Unit | Born | Resided |
| DE SAIX | John | Private | King's Own (Yorkshire Light Infantry) | Born Dublin, Ireland | |
| DEAN | Cecil P. W. | Lance Sergeant | Irish Guards | Born Dublin | Resided Dulwich, Surrey |
| DEANE | Thomas Alexander David | Lieutenant | Portsmouth Battalion, Royal Navy Division | | |
| DEANE | Ernest Cotton | Captain | Royal Army Medical Corps, attached 2nd Battalion, Leicestershire Regiment | | |
| DEASE | Christopher | Private | Prince of Wales's Volunteers (South Lancashire Regiment) | Born Dublin | |
| DEEGAN | Francis | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEEGAN | George | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEEGAN | Henry | Rifleman | Royal Irish Rifles | Born Dublin | |
| DEEGAN | Joseph | Private | Royal Dublin Fusiliers | Born Fairview, Co. Dublin | |
| DEEGAN | Joseph | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEEGAN | Robert Alexander | Gunner | Royal Garrison Artillery | Born Dublin | |
| DEEGAN | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEEGAN | Thomas | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| DEEGAN | William | Bombardier | Royal Garrison Artillery | Born St. Marys, Dublin | |
| DELAHUNT | Ralph | Private | Royal Dublin Fusiliers | Born Port Louis, Mauritius | Resided Dublin |
| DELAHUNTY | Thomas | Rifleman | Royal Irish Rifles | Born Lucan, Co. Dublin | |
| DELANEY | Edward | Private | Royal Dublin Fusiliers | Born Dublin | |
| DELANEY | Joseph | Private | King's (Liverpool Regiment) | Born Dublin | Resided Dublin |
| DELANEY | Leo | Private | Royal Dublin Fusiliers | Born Dublin | |
| DELANEY | Martin | Rifleman | Royal Irish Rifles | Born Dublin | |
| DELANEY | Michael | Private | Royal Dublin Fusiliers | Born Donnybrook, Dublin | Resided Clonskeagh, Co. Dublin |
| DELANEY | Patrick | Private | East Yorkshire Regiment | Born Rathfarham, Dublin | Resided Dublin |
| DELANEY | Patrick | Corporal | Royal Irish Rifles | Born Dublin | |
| DELANEY | Patrick | Drummer | Queen's Own Cameron Highlanders | Born Dublin, Ireland | Resided Dublin |
| DELANEY | Robert John | Lance Corporal | Manchester Regiment | Born St. Cullen, Dublin | Resided Hulme, Manchester |
| DELANEY | Thomas | Sergeant | Prince of Wales's Own (West Yorkshire Regiment) | Born Dublin | Resided St. Helens |
| DELANEY | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| DELANEY | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| DELANEY | William | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| DELANEY | William Joseph | Rifleman | Royal Irish Rifles | Born Dublin | Resided London |
| DELMEGE | Edwin | Private | Royal Munster Fusiliers | Born Tipperary | Resided Lucan, Co. Dublin |
| DELPLANQUE | Charles | Private | Irish Guards | Born Ballybough, Co. Dublin | |
| DEMPSEY | Daniel | Corporal | Royal Dublin Fusiliers | Born Dublin | |
| DEMPSEY | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEMPSEY | John | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Rathmines, Dublin | |
| DEMPSEY | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEMPSEY | John | Acting Lance Corporal | Royal Army Service Corps | Born Dublin | Resided Dublin |
| DEMPSEY | Joseph | Private | Royal Scots (Lothian Regiment) | Born Dublin | |
| DEMPSEY | Matthew | Private | Royal Dublin Fusiliers | Born Lucan, Co. Dublin | |
| DEMPSEY | Patrick | Private | Irish Guards | Born Swords, Co. Dublin | |
| DEMPSEY | Patrick | Rifleman | Royal Irish Rifles | Born Dublin | |
| DEMPSEY | Peter | Private | Royal Dublin Fusiliers | Born Dublin | |
| DEMPSEY | James | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Mountmellick, Queen's Co. | Resided Dublin |
| DENNEHY | Joseph | Gunner | Royal Garrison Artillery | Born St. Kevins, Dublin | |
| DENNEHY | Patrick James | Lance Corporal | Princess Charlotte of Wales's (Royal Berkshire Regiment) | Born Tullamore, Kings County | Resided Dublin |
| DENNIGAN | Alfred | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | Resided Manchester |
| DENNIS | Richard Thomas | Second Lieutenant | 17th Battalion, Royal Irish Rifles | | |
| DENNIS | Christopher | Smith/Gunner | Royal Garrison Artillery | Born Dublin | Resided Dublin |
| DERHAM | John | Private | Royal Dublin Fusiliers | Born Skerries, Co. Dublin | Resided Skerries |
| DESAIX | Henry | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | Resided Dublin |