Events from the year 1559 in Ireland.
Incumbent
Monarch: Elizabeth I
Events
September 3 – Robert Dillon is appointed Chief Justice of the Irish Common Pleas. Shane O'Neill is elected to succeed Conn O'Neill as The Ó Néill Mór. Valentine Browne is appointed Surveyor General of Ireland by Queen Elizabeth. William FitzWilliam is appointed Vice-Treasurer and acting Lord Chief Justice of Ireland. Approximate date – the Church of Ireland Bishopric of Mayo is united with the Archdiocese of Tuam.
Births
Christopher Holywood, Jesuit (d. 1626)
Deaths
March – Robert Plunkett, 5th Baron of Dunsany
Gerald Aylmer, judge (b. c.1500) Conn O'Neill, 1st Earl of Tyrone (b. c.1480) Approximate date – John Bathe, lawyer.