1141 in Ireland

← 1140 1139 1138 1137 1136 1141 in Ireland → 1142 1143 1144 1145 1146
Centuries:	11th 12th 13th 14th
Decades:	1120s 1130s 1140s 1150s 1160s
See also:	Other events of 1141 List of years in Ireland

Events from the year 1141 in Ireland.

Incumbents

• High King: Toirdelbach Ua Conchobair

Events

• Conchobar Ua Briain, a member of the powerful Uí Briain dynasty, gained the kingship of Dublin. He died the following year.
• An army was led by Toirdhealbhach Ua Conchobhair into Fotharta-Airbhreach, where he plundered some of the men of Meath and of the Fothart.^[1]

Deaths

• Domhnall, lord of Feara-Ceall, was killed by Muintir-Luainimh, at Rathain.
• Aedh Ua Longain, steward of Munster.^[2]

References

1. Mac Carthaigh’s Book, ed. Séamus Ó hInnse (Dublin Institute for Advanced Studies)
2. "Part 24 of Annals of the Four Masters". celt.ucc.ie. Retrieved 15 January 2026.