During the First World War, the Victoria Cross (VC) was awarded to 31 men, who were serving with Irish Infantry and Cavalry Regiments, 2 men from the Tyneside Irish and 1 from the Liverpool Irish.
There were a total of 35 VCs awarded to men born in Ireland, 18 of whom served with Irish Regiments and details of the other 17 can be found here.
Michael O'Leary, 1st Bttn, Irish Guards - 1st February 1915 at Cuinchy, France.
Robert Morrow, 1st Bttn, Royal Irish Fusiliers - 12th April 1915 at Messines, Belgium.
William Cosgrove, 1st Bttn, Royal Munster Fusiliers - 26th April 1915 at Gallipoli, Turkey.
Gerald O'Sullivan, 1st Bttn, Royal Inniskilling Fusliliers - 1st/2nd July 1915 at Gallipoli, Turkey.
James Somers, 1st Bttn, Royal Inniskilling Fusiliers - 1st/2nd July 1915, at Gallipoli, Turkey.
Edward Baxter. 1/8th, The King's (Liverpool) Regiment - 18th April 1916 at Ransart, France.
Arthur Batten-Pooll, 2nd Bttn, Royal Munster Fusiliers - 25th June 1916 at Colonne, France.
Geoffrey Cather, 9th Bttn, Royal Irish Fusiliers - 1st July 1916 at Hamel, France.
William McFadzean, 14th Bttn, Royal Irish Rifles - 1st July 1916 at Thiepval, France.
Robert Quigg. 12th Bttn, Royal Irish Rifles - 1st July 1916 at Hamel, France.
Eric Bell, 9th Bttn, Royal Inniskilling Fusiliers - 1st July 1916 at Thiepval, France.
Thomas Hughes, 6th Bttn. Connaught Rangers - 3rd September 1916 at Guillemont, France.
Robert Downie, 2nd Bttn, Royal Dublin Fusiliers - 23rd October 1916 at Lesboeufs, France.
Thomas Bryan, 2nd Tyneside Irish - 9th April 1917 at Arras, France.
Ernest Sykes, 4th Tyneside Irish - 9th April 1917 at Arras, France.
John Cunningham, 2nd Bttn, Leinster Regiment - 12th April 1917 at Bois-en-Hache, France.
Frederick Room, 2nd Bttn, Royal Irish Regiment - 16th August 1917 at Frezenburg, Belgium.
John Moyney, 2nd Bttn, Irish Guards - 12th/13th September 1917 at Broembeek, Belgium.
Thomas Woodcock, 2nd Bttn, Irish Guards - 12th/13th September 1917 at Broembeek, Belgium.
James Ockendon, 1st Bttn, Royal Dublin Fusiliers - 4th October 1917 at Langemarck, Belgium.
George Clare, 5th Royal Irish Lancers - 28th/29th November 1917 at Bourlon Wood, France.
James Emerson, 9th Bttn, Royal Inniskilling Fusiliers - 6th December 1917 at La Vacquerie, France.
James Duffy, 6th Bttn, Royal Inniskilling Fusiliers - 27th December 1917 at Kareina Peak, Palestine.
Edward De Wind, 15th Bttn, Royal Irish Rifles - 21st March 1918 at Grugies, France.
Martin Doyle, 1st Bttn, Royal Munster Rifles - 2nd September 1918 at Reincourt, France.
Ernest Seaman, 2nd Bttn, Royal Inniskilling Fusiliers - 29th September 1918 at Terhand, Belgium.
Martin Moffat, 2nd Bttn, Leinster Regiment - 14th October 1918 at Ledegem, Belgium.
John O'Neill, 2nd Bttn, Leinster Regiment - 14th October 1918 at Moorsele, Belgium.
Horace Curtis, 2nd Bttn, Royal Dublin Fusiliers - 18th October 1918 at Le Cateau, France.
Norman Harvey, 1st Bttn, Royal Inniskilling Fusiliers - 25th October 1918 at Ingoyghem, Belgium.
Further details:
'Irish Winners of the Victoria Cross', Richard Doherty and David Truesdale.