1577 in Ireland

Incumbent

• Monarch: Elizabeth I

  Events

• January 11 – Palesmen sends delegates to England to complain of the burden of the cess.
• June – James FitzMaurice FitzGerald is in Spain plotting rebellion in Ireland with the support of Pope Gregory XIII.
• October 25 – Brian O'Rourke agrees with Sir Nicholas Malby for payment to the English crown for his lordship of West Bréifne.
• November – the Great Comet of 1577 is visible.
• November/December – Massacre of Mullaghmast: The Ó Moores and O'Connors have most of their fine massacred by English soldiers at Mullaghmast having been invited there for peace talks.
• Athenry is sacked by the Mac an Iarla, the sons of the Richard Burke. This follows their previous attack in 1572.

  Deaths

• January 4 – William Walsh, Roman Catholic Bishop of Meath
• Richard Talbot, judge