| Surname | Forename | Rank | Unit | Born | Resided |
| BONNIE | Joseph | Private | King's Own (Royal Lancaster Regiment) | Born St. Andrew's, Dublin | |
| BONYNGE | Stephen | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOOKER | Henry | Private | Royal Scots Fusiliers | Born Dublin | |
| BOOTH | John Hamilton | Private | 7th Battalion, Canadian Infantry (British Columbia Regiment) | | |
| BOOTH | Cecil Richard | Second Lieutenant | A Company, 1st Battalion, Gordon Highlanders | Born Dublin | |
| BOOTH | Daniel | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| BOOTH | Edwin F. | Lance Corporal | Connaught Rangers | Born Dublin | Resided Dublin |
| BOOTH | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| BOOTHBY | William | Private | Hampshire Regiment | Born Co. Dublin | |
| BOOTHMAN | Henry | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | Resided Howth, Co. Dublin |
| BORROWES | Kildare Henry | Midshipman | H.M.S. "Queen Mary" | Native of Kildare | |
| BORTHISTLE | W J | Second Lieutenant | Royal Flying Corps and Royal Munster Fusiliers | | |
| BOSLEY | Edward Charles | Private | Royal Fusiliers (City Of London Regiment) | Born Dublin | Resided Brixton |
| BOSONNET | Henry Victor | Private | Hampshire Regiment | Born Dublin | |
| BOSWELL | William | Private | Lincolnshire Regiment | Born Dublin | |
| BOTHWELL | Frank | Private | Royal Army Medical Corps | Born North Strand, Dublin | |
| BOUGHTON | Albert | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | Resided Drumcondra, Dublin |
| BOUGHTON | Robert | Sergeant | Princess Victoria's (Royal Irish Fusiliers) | Born Fairview, Dublin | Resided Buncrana, Co. Donegal |
| BOULD | Thomas | Private | Royal Munster Fusiliers | Born St. Marks, Dublin | Resided Dublin |
| BOULGER | John | Rifleman | Royal Irish Rifles | Born Clondalkin, Co. Dublin | |
| BOURKE | Thomas Leslie | Second Lieutenant | 10th Training Depot Station, Royal Air Force | | |
| BOWDEN | Patrick | Private | Royal Warwickshire Regiment | Born Dublin | Resided Dublin |
| BOWEN | Thomas Henry | Second Lieutenant | 6th Battalion, Prince of Wales's Leinster Regiment (Royal Canadians), attached 11th Battalion, Royal Inniskilling Fusiliers | | |
| BOWEN-COLTHURST | Robert MacGregor | Captain | Prince of Wales's Leinster Regiment (Royal Canadians) | | |
| BOWES | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | Resided Dublin |
| BOWES | John | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| BOWES | John | Driver | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BOWES | Michael | Rifleman | Royal Irish Rifles | Born Dublin | |
| BOWES | Patrick | Private | Royal Irish Regiment | Born Dublin | |
| BOXWELL | Francis Jeffares Tilson | Able Seaman | H.M.S. "Good Hope" | | |
| BOYCE | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOYD | Frank | Lance Corporal | 2nd Royal Marine Battalion, Royal Navy Division | | |
| BOYD | William Hatchell | Second Lieutenant | 9th Battalion, Royal Dublin Fusiliers | | |
| BOYD | Alfred Henry | Private | Royal Dublin Fusiliers | Born Blackrock, Co. Dublin | Resided Blackrock |
| BOYD | William Sinclair | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOYD | John | Private | Royal Dublin Fusiliers | Born Cavan | |
| BOYLAN | Michael | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOYLAN | Patrick | Private | Royal Inniskilling Fusiliers | Born Dublin | |
| BOYLAN | Robert | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| BOYLE | George Magness | Able Seaman | S.S. "Thracia" (Liverpool) | Born at Ryde, Isle of Wight | |
| BOYLE | John | Fireman | S.S. "Hare" (Liverpool) | Born in Dublin | |
| BOYLE | John Kemmy | Captain | Royal Irish Rifles | | |
| BOYLE | Henry | Lance Corporal | Essex Regiment | Born Paddington, Middlesex | Resided Dublin |
| BOYNE | Edward | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOYNE | Joseph | Private | Royal Inniskilling Fusiliers | Born Dublin | |
| BOYNE | Michael | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| BOYNE | Thomas | Private | Royal Dublin Fusiliers | Born Dublin | |
| BRABAZON | Frank | Private | Royal Dublin Fusiliers | Born Blanchardstown, Co. Dublin | Resided Lucan, Co. Dublin |
| BRACKEN | Patrick | Private | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Dublin | |
| BRADLEY | Jane | Worker | Queen Mary's Army Auxiliary Corps | Born Dublin | |