| Surname | Forename | Rank | Unit | Born | Resided |
| BREEN | John | Sergeant | Royal Munster Fusiliers | Born Dublin | Resided Dublin |
| BREEN | Patrick | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| BREEN | William | Private | Royal Dublin Fusiliers | Born Dublin | |
| BREGAN | Francis | Driver | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BREGAN | James | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BREGAN | Paul | Private | Royal Munster Fusiliers | Born St. Johns, Cappoquin, Co. Waterford | Resided Dublin |
| BRENNAN | Alexander | Able Seaman | H.M.S. " Pheasant" | | |
| BRENNAN | James Joseph | Fireman and Trimmer | S.S. "Moeris" (Liverpool) | Born in Dublin | |
| BRENNAN | Patrick | Greaser | S.S. "Lusitania" (Liverpool) | Born in Dublin | |
| BRENNAN | William John | Seaman | S.S. "Leinster" (Dublin) | Born at Dún Laoghaire | |
| BRENNAN | Jeremiah | Lieutenant | Lancashire Hussars attached 1st Intelligence Corps | | |
| BRENNAN | Charles | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| BRENNAN | Christopher | Private | Irish Guards | Born Blanchardstown, Co. Dublin | |
| BRENNAN | Eugene | Rifleman | Royal Irish Rifles | Born Dublin | |
| BRENNAN | Francis A. | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | Henry Peter | Sergeant | Royal Inniskilling Fusiliers | Born Dublin | |
| BRENNAN | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | James | Rifleman | Royal Irish Rifles | Born Dublin | |
| BRENNAN | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | John | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | Resided Dublin |
| BRENNAN | John | Lance Bombardier | Royal Garrison Artillery | Born St. Joseph, Dublin | |
| BRENNAN | Joseph | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | Joseph | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| BRENNAN | Louis J. | Sergeant | Royal Irish Regiment | Born St. Thomas, Dublin | Resided Dublin |
| BRENNAN | March | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BRENNAN | Michael | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| BRENNAN | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRENNAN | Patrick | Private | Lancashire Fusiliers | Born Dublin | |
| BRENNAN | Patrick Joseph | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BRENNAN | Patrick Leslie | Lance Corporal | Royal Irish Rifles | Born Dublin | Resided Ilford, Essex |
| BRENNAN | Thomas | Company Sergeant Major | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| BRENNAN | Thomas M. | Private | Royal Army Medical Corps | Born Rathgar, Dublin | |
| BRENNAN | Patrick | Private | Royal Munster Fusiliers | Birthplace unknown | Resided Dublin |
| BRENNAN | James | Private | Queen's (Royal West Surrey Regiment) | Birthplace unknown | Resided Dublin |
| BRENNAN | John | Private | Machine Gun Corps | Born Galway | Resided Philsborough, Dublin |
| BRENNOCK | Patrick | Stoker | H.M.S. "Europa" | | |
| BRENNOCK | Thomas | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| BRENNOCK | William | Private | Irish Guards | Born Dublin | |
| BRERETON-BARRY | William Roche | Second Lieutenant | Royal Dublin Fusiliers | | |
| BRESLIN | Robert | Acting Corporal | Royal Dublin Fusiliers | Born Sandymount, Co. Dublin | |
| BRETT | Peter | Private | Royal Dublin Fusiliers | Born Dublin | Resided Mayo |
| BREWER | James Angus | Captain | 9th Battalion, South Lancashire Regiment | Born Greystones | |
| BREWSTER | Richard Gardiner | Second Lieutenant | Royal Irish Regiment | | |
| BREWSTER | John C. | Private | Irish Guards | Born Dublin | |
| BRIAN | Reginald | Private | Machine Gun Corps | Born St. Mary's, Dublin | |
| BRIDE | Christopher | Corporal | Royal Irish Regiment | Born Mcnasterevan, Co. Kildare | Resided Kimmage, Co. Dublin |
| BRIDGE | Albert | Lance Corporal | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | Resided Dublin |