| Surname | Forename | Rank | Unit | Born | Resided |
| BIRTHISTLE | George Herbert | Officer's Steward 1st Class | H.M.S. "Kestrel" | Native of Dublin | |
| BISHOP | John Charles | Private | Royal Inniskilling Fusiliers | Born Blackrock, Co. Dublin | |
| BISHOP | Peter | Private | Royal Dublin Fusiliers | Born Dublin | |
| BLACK | Edward | Private | Devonshire Regiment | Born Dublin | |
| BLACKER-DOUGLASS | R. St. John | Lieutenant | 1st Battalion, Irish Guards | Native of Dublin | |
| BLACKMORE | James | Second Engineer | S.S. "Rhineland" (Liverpool) | | |
| BLACKMORE | John | Second Hand | H.M. Trawler "James Seckar" | | |
| BLACKWELL | Walter | Lieutenant | 11th Battalion, Royal Dublin Fusiliers | | |
| BLAIKIE | Hugh | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Glencorse, Midlothian | Resided Dublin |
| BLAKE | Alfred Joseph William | Lieutenant (Temporary) | Connaught Rangers | | |
| BLAKE | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| BLAKE | John | Private | King's (Liverpool Regiment) | Born Dublin | Resided Dublin |
| BLAKELEY | Ernest | Private | King's (Liverpool Regiment) | Born Cardiff, Glams | Resided Dublin |
| BLANEY | John Joseph | Leading Stoker | H.M.S. "Indefatigable" | | |
| BLAY | Thomas | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BLIGH | John | Private | Labour Corps | Born Dublin | |
| BLOOD | Michael | Private | Irish Guards | Born Dublin | |
| BLOOMFIELD | Michael | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| BLOOMFIELD | Robert | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| BLUNDEN | Patrick | Rifleman | Royal Irish Rifles | Born Dublin | |
| BOARDMAN | David Patrick | Corporal | Royal Inniskilling Fusiliers | Born Howth, Co. Dublin | Resided Dublin |
| BOARDMAN | Edward | Lance Corporal | Royal Munster Fusiliers | Born Dublin | Resided Dublin |
| BODIE | Thomas | Private | Irish Guards | Born Dublin | |
| BODILL | William Henry | Bandsman | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | Resided Saunders Foot, Pembrokeshire |
| BOGGAN | Thomas Patrick | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BOLAND | Christopher | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOLAND | David | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOLAND | James | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOLAND | James | Corporal | Royal Irish Rifles | Born Dublin | |
| BOLAND | John | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| BOLAND | Patrick | Rifleman | Royal Irish Rifles | Born Dublin | |
| BOLAND | Peter | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOLAND | Thomas | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| BOLAND | Thomas | Private | Royal Dublin Fusiliers | Native of Ballsbridge, Dublin | Resided Dublin |
| BOLE | James Joseph | Private | Devonshire Regiment | Born Dublin, County Dublin | Resided Dublin |
| BOLGER | Edward | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOLGER | John | Private | Royal Dublin Fusiliers | Born Chapelizod, Co. Dublin | |
| BOLGER | Patrick | Private | Connaught Rangers | Born Dublin | Resided Dublin |
| BOLGER | Patrick | Private | Royal Dublin Fusiliers | Born Dublin | |
| BOLGER | Peter | Sergeant | Labour Corps | Born Dundrum, Co. Dublin | |
| BOLGER | William John | Private | London Regiment | Born St. Mark's, Dublin | |
| BOLGER | Michael | Sergeant | Royal Irish Regiment | Clough, Co. Kilkenny | |
| BOLTON | William | Stoker | H.M.S. "Queen Mary" | | |
| BOLTON | Horatio Nelson | Acting Sergeant | Royal Army Service Corps | Born Dublin | Resided Swanley, Kent |
| BOLTON | Reginald John | Private | Sherwood Foresters (Nottinghamshire and Derbyshire Regiment) | Born Dublin | |
| BOLTON | William | Driver | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BOND | Joseph | Rifleman | Royal Irish Rifles | Born Dublin | |
| BOND | William | Gunner | Royal Horse Artillery and Royal Field Artillery | Born Dublin | |
| BOND | Alfred | Lance Corporal | Prince of Wales's Leinster Regiment (Royal Canadians) | Born Kells, Co. Meath | Resided Dublin |
| BONHAM | Herbert Geroge | Lance Corporal | London Regiment | Born Dublin | Resided Ilford |