1574 in Ireland

Events from the year 1574 in Ireland.

Incumbent

 * Monarch: Elizabeth I

Events

 * May 8 – Brian O'Neill of Clandeboye, having submitted to the Earl of Essex, begs Elizabeth I of England for mercy.
 * July 18 – the Geraldine chiefs sign the Combination, promising to support Gerald FitzGerald, 15th Earl of Desmond, unconditionally.
 * September 2 – Desmond submits to William FitzWilliam (Lord Deputy) at Cork following a month's campaign in Munster during which his castle at Derinlaur has been taken.
 * September – Essex campaigns against Turlough Luineach O'Neill.
 * November
 * Essex meets Brian O'Neill of Clandeboye at his castle of Edendubhcarrig (County Antrim) where at least 200 of the clan O'Neill are treacherously massacred at a feast while O'Neill himself, his wife and brother are captured, taken to Dublin, executed and quartered. The Lordship of Clandeboye is partitioned in three by the English.
 * The rebel Rory O'More is briefly imprisoned.
 * November 5 – Edmund Tanner (d. 1579 in Ireland) is appointed Roman Catholic Bishop of Cork and Cloyne and consecrated in Rome.

Births

 * Thomas Fitzmaurice, 18th Baron Kerry, soldier (d. 1630)
 * Stephen White, Jesuit scholar (d. 1646)

Deaths

 * November – Brian O'Neill of Clandeboye, clan chieftain