1484 in Ireland

Events from the year 1484 in Ireland.

Incumbent

 * Lord: Richard III

Events

 * June 14 – Walter Fitzsimon is appointed Archbishop of Dublin, an office which he will hold until his death in 1511.
 * July–August – Gearóid Mór FitzGerald, 8th Earl of Kildare, Lord Deputy of Ireland, attends the English court.
 * August 20 – Giolla Pádraig (son of Éamonn mac Thomáis Óig, Mág Uidhir), tánaiste of Fir Manach, is killed by his five brothers, leading to dynastic tension.
 * August 21 – John de la Pole, 1st Earl of Lincoln, is appointed Lieutenant in Ireland by his uncle Richard III of England.
 * September – Thomás Bairéad, Bishop of Annaghdown, is commissioned by the King to treat with Conn mac Enri Ó Néill, lord of Tír Eógain, and Hiberno-Normans.
 * September 28 – St. Nicholas' Church, Galway, is raised to the status of a collegiate church by Donatus Ó Muireadhaigh, Archbishop of Tuam.
 * October 15 – Great Council (sitting of the Parliament of Ireland) at Naas.
 * November – Réamonn mac Mathghamhna, king of Airgíalla, dies in captivity at Drogheda and is succeeded by his nephew Aodh Óg.
 * December 15 – The city of Galway is granted a royal charter and mayoralty by Richard III of England.
 * An Irish province of the Dominican Order is established.