1558 in Ireland

Events from the year 1558 in Ireland.

Incumbent

 * Monarch: Mary I (until 17 November), then Elizabeth I

Events

 * November 17 – the Protestant Elizabeth I succeeds as Queen of England and Ireland upon the death of her Catholic half-sister Mary I. The Elizabethan Religious Settlement follows.
 * Sorley Boy MacDonnell obtains lordship of the clan territory in Antrim from James MacDonald, 6th of Dunnyveg.

Deaths

 * Autumn – Richard St Lawrence, 7th Baron Howth, nobleman and soldier (b. c.1510)
 * October 27 – James FitzGerald, 14th Earl of Desmond.
 * November 17 – Mary I, Queen of Ireland (b. 1516)
 * Thomas Butler, 1st Baron Cahir.
 * Matthew O'Neill, 1st Baron Dungannon was assassinated
 * Colla MacDonnell, Lord of Islay and Kintyre (Cantire), died at Kinbane Castle