1152 in Ireland

Events from the year 1152 in Ireland.

• High King: Toirdelbach Ua Conchobair

• Synod of Kells-Mellifont results in a national church organisation with four metropolitans (archbishoprics) and 36 sees, under the primacy of Armagh.
• The Archdiocese of Dublin, (Irish: Ard-Deoise Bhaile Átha Cliath), recognised as a metropolitan province in by the Synod of Kells.
• Diarmaid mac Murchadha elopes with Devorgill.
• Cloyne was recognised as a diocese at the Synod of Kells