Ireland: Heads of State: 1916-1922 Uachtarán ar Rialtais Shealadaigh na hÉireann = President of the Provisional Government of the Irish Republic 24 Apr 1916 - 29 Apr 1916 Pádraig Mac Piarais = Patrick H. Pearse Dáil Éireann 21 Jan 1919 - 22 Jan 1919 presidency Príomh-aire = President of Dáil Éireann = President of the Ministry 22 Jan 1919 - 1 Apr 1919 Cathal Brugha = Charles Burgess 1 Apr 1919 - 26 Aug 1921 Éamonn de Bhailéara = Eamon de Valera [2] Uachtarán = President [1] 26 Aug 1921 - 9 Jan 1922 Éamonn de Bhailéara = Eamon de Valera (x) 10 Jan 1922 - 12 Aug 1922 Art Ó Gríobhtha = Arthur Griffith (x) 12 Aug 1922 - 9 Sep 1922 office vacant 9 Sep 1922 - 6 Dec 1922 Liam T. Mac Cosgair = William T. Cosgrave [3] [1] Also in official use: Uachtarán ar an nDáil Éireann = President of Dáil Éireann. [2] Acting President (for absent Eamon de Valera) 17 Jun 1919 - 27 Nov 1920 Art Ó Gríobtha = Arthur Griffith [3] Uachtarán = President (in opposition) 17 Oct 1922 - 24 May 1923 Éamonn de Bhailéara = Eamon de Valera (x) Last updated on: 23 May 2010 20:00:00; URL: www.archontology.org/nations/eire/eire_rep1/index.php