1111 in Ireland

Events from the year 1111 in Ireland.

← 1110 1109 1108 1107 1106 1111 in Ireland → 1112 1113 1114 1115 1116
Centuries:	11th 12th 13th 14th
Decades:	1100s 1110s 1120s 1130s
See also:	Other events of 1111 List of years in Ireland

Incumbents

• High King of Ireland: Domnall Ua Lochlainn

Events

• Synod of Rathbreasail, presided over by Cellach Ua Sinaig, Abbot of Armagh is held. Ireland is divided into territorial dioceses (24 sees) under two metropolitans, the Archbishop of Armagh and the Archbishop of Cashel.^[1][2]
• Domnall mac Taidc temporarily seizes the Kingdom of the Isles (the Hebrides and the Isle of Man) by force.^[3]