1122 in Ireland

Events from the year 1122 in Ireland.

Incumbents

 * High King of Ireland: Toirdelbach Ua Conchobair

Events

 * Tairrdelbach Ua Conchobair ravages the Kingdom of Desmond for the second time
 * Ruaidrí na Saide Buide Ua Conchobair captures Tairrdelbach Ua Conchobair

Deaths

 * Arnulf de Montgomery Anglo-Norman magnate (born c. 1066)
 * Máel Coluim Ua Brolcháin Bishop of Derry