1115 in Ireland

Incumbents

• High King of Ireland: Domnall Ua Lochlainn

Events

• An assault on Norse-Gaelic Dublin by Diarmait mac Énna meic Murchada and Conchobar Ua Conchobair Failge, joint Kings of Leinster, is thwarted by Domnall Gerrlámhach.

Deaths

• Conchobar Ua Conchobair Failge, slain in Dublin.
• Diarmait mac Énna meic Murchada, slain in Dublin.