| Surname | Forename | Rank | Unit | Born | Resided |
| BARRETT | William E. | Lance Corporal | Royal Inniskilling Fusiliers | Born Rathmines, Co. Dublin | |
| BARRON | Louis | Lieutenant | 10th Battalion, Border Regiment attached 2nd/6th Battalion, Royal Warwickshire Regiment | | |
| BARRON | James | Private | Royal Dublin Fusiliers | Born Rathgar, Co. Dublin | |
| BARROW | Geoffrey Selwyn | Captain | Royal Field Artillery, attached 8th Divisional Army Cyclist Corps | | |
| BARRY | W | Fireman | S.S. "Lusitania" (Liverpool) | Born in Dublin | |
| BARRY | William | Fireman | S.S. "Adela" (Dublin) | Born in Dublin | |
| BARRY | Joseph | Private | Royal Dublin Fusiliers | Born Dundrum, Co. Dublin | |
| BARRY | Michael | Private | Royal Dublin Fusiliers | Born Dublin | |
| BARRY | Michael | Private | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born Dublin | |
| BARRY | Patrick | Sergeant | East Yorkshire Regiment | Born Dublin | |
| BARRY | Peter | Rifleman | Royal Irish Rifles | Born Dublin | |
| BARRY | Albert | Private | Royal Dublin Fusiliers | Born Dublin | |
| BARRY | Daniel | Private | Royal Army Service Corps | Born Dublin | Resided Dublin |
| BARSBY | Charles | Private | Household Cavalry and Cavalry of the Line (including Yeomanry) | Born St. Jude's, Dublin | Resided Dublin |
| BARTER | Joseph | Lance Corporal | Irish Guards | Born Dublin | |
| BARTLEM | Hugh | Private | Queen's (Royal West Surrey Regiment) | Born Rathgar, Dublin | Resided Rathgar, Dublin |
| BARTON | Vivian Alfred | Second Lieutenant | C Battery, 162nd Brigade, Royal Field Artillery | | |
| BARTON | Edward | Private | Royal Munster Fusiliers | Born St. Luke's, Cork | Resided Dublin |
| BASNETT | Edward Hudson | Rifleman | Rifle Brigade (The Prince Consort's Own) | Born Dublin | Resided Woolwich, Kent |
| BATE | Alfred Francis | Lieutenant | 4th Battalion, Royal Dublin Fusiliers attached 2nd Battalion, Leinster Regiment | Born at Dún Laoghaire | |
| BATEMAN | Reginald John Godfrey | Captain | 46th Battalion, Canadian Infantry (Saskatchewan Regiment) | | |
| BATEMAN | Arthur Cyril | Captain | Royal Army Medical Corps, attached 7th Battalion, Cameron Highlanders | | |
| BATEMAN | Herbert | Bombardier | Royal Horse Artillery and Royal Field Artillery | Born Dublin, Ireland | |
| BATEMAN | Samuel | Private | Royal Irish Regiment | Born St. Andrew S, Dublin | |
| BATES | Edward | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dublin | |
| BATES | John | Private | Royal Dublin Fusiliers | Born Dublin | |
| BATES | John | Private | Royal Irish Regiment | Born Balbriggan, Dublin | Resided Balbriggan, Dublin |
| BATES | Robert | Acting Sergeant | Corps Of Royal Engineers | Born Donabate, Co. Dublin | |
| BATTERSBY | G L | Major | 2nd/6th Battalion, Royal Welsh Fusiliers | | |
| BATWELL | George | Sergeant | Royal Dublin Fusiliers | Born Dublin | |
| BAXTER | Robert Samuel | Rifleman (Lance Corporal) | King's Royal Rifle Corps | Born Rathmines, Dublin | Resided East Liss, Hants |
| BAZIERE | Daniel | Private | Royal Dublin Fusiliers | Born Dublin | |
| BEARD | Lewis Digby Mansell | Second Lieutenant | Machine Gun Corps Infantry | | |
| BEARNEY | Patrick | Private | Princess Victoria's (Royal Irish Fusiliers) | Born Dun Laoghaire, Co. Dublin | |
| BEASHEL | Patrick | Able Seaman | S.S. "Beacon Light" (Liverpool) | | |
| BEASHEL | William | Fireman | S.S. "Beacon Light" (Liverpool) | | |
| BEASHEL | Nicholas | Private | South Wales Borderers | Born Rush, Co. Dublin | |
| BEATTY | Benjamin George | Second Lieutenant | 45th Squadron Royal Flying Corps and General List | | |
| BEATTY | Eric Edge | Lieutenant | Connaught Rangers | | |
| BEATTY | Thomas | Rifleman | Royal Irish Rifles | Born Dublin | |
| BEAUCHAMP | James John | Petty Officer 1st Class | H.M.S. "Goliath" | | |
| BECKETT | Francis | Pioneer | Corps of Royal Engineers | Born Dublin | |
| BEDFORD | Walter Ernest | Driver | Corps Of Royal Engineers | Born Dublin | Resided Finchampstead, Berks |
| BEER | Thomas | Private | Duke Of Cambridge's Own (Middlesex Regiment) | Born Dun Laoghaire, Dublin | |
| BEGGS | Joseph | Private | Royal Inniskilling Fusiliers | Born Dublin | |
| BEGGS | Patrick | Private | Royal Dublin Fusiliers | Born Booterstown, Co. Dublin | Resided Booterstown |
| BEGLEY | Denis Francis | Gunner | H.M.S. "Good Hope" | Native of Booterstown, Dublin | |
| BEGLEY | Thaddeus Richard | Lance Corporal | Royal Dublin Fusiliers | Born Dublin | |
| BEGLEY | Henry | Private | Connaught Rangers | Born Birr | Resided Dublin |
| BEHAN | James | Rifleman | Royal Irish Rifles | Born Dublin | |