← 1123 1122 1121 1120 1119 1124 in Ireland → 1125 1126 1127 1128 1129
Centuries:	11th 12th 13th 14th
Decades:	1100s 1110s 1120s 1130s 1140s
See also:	Other events of 1124 List of years in Ireland

Events from the year 1124 in Ireland.

Incumbents

• High King: Toirdelbach Ua Conchobair

Events

• Dún Bhun na Gaillimhe ('Fort at the Mouth of the Gaillimh') was constructed by the King of Connacht Tairrdelbach Ua Conchobair.

Births

• Tigernán Ua Ruairc, ruler of the Kingdom of Breifne