1575 in Ireland

Events from the year 1575 in Ireland.

Incumbent

 * Monarch: Elizabeth I

Events

 * Walter Devereux, Earl of Essex, has members of the clan O'Neill killed at Banbridge.
 * March 16 – Edmund O'Donnell is hanged, drawn and quartered in Cork as a traitor, the first Jesuit executed by the English government.
 * May–August – drought.
 * May 22 – Elizabeth I of England orders Essex to break off his enterprise of the plantation of Antrim. He will return to England at the end of the year.
 * June – Essex builds a bridge and fort at Blackwater (north of Armagh).
 * June 27 – Turlough Luineach O'Neill submits to the English authorities and receives extensive grants of lands and permission to employ 300 Scottish mercenaries.
 * July 20–26 – Rathlin Island Massacre: English adventurers Francis Drake and John Norreys, acting for the Earl of Essex, lead an expedition that culminates in the massacre of 500 of the clan MacDonnell in a surprise raid on Rathlin Island.
 * August–September – Plague in Leinster.
 * August 5 – Sir Henry Sidney is reappointed Lord Deputy of Ireland following the resignation of Sir William FitzWilliam.

Deaths

 * March 16 – Edmund O'Donnell, Jesuit (b. 1542)
 * November 27 – Sir Peter Carew, English adventurer in Ireland (b. 1514?)
 * Christopher Barnewall, statesman (b. 1522)

Arts and literature

 * Approximate date – the manuscript now known as Royal Irish Academy, MS 23 N 10 is copied at Ballycumin, County Roscommon, by Aodh, Dubhthach and Torna of the Ó Maolconaire family.