← 1583 1582 1581 1580 1579 1584 in Ireland → 1585 1586 1587 1588 1589
Centuries:	14th 15th 16th 17th 18th
Decades:	1560s 1570s 1580s 1590s 1600s
See also:	Other events of 1584 List of years in Ireland

Events from the year 1584 in Ireland.

Incumbent

• Monarch: Elizabeth I

Events

• July – English government commissions a survey of Munster, following the Desmond Rebellions. Sir Valentine Browne is appointed to the task. It becomes known as the Peyton Survey after Sir Christopher Peyton
• The Spanish Arch is built in Galway.
• Perrott subdivides Cavan into seven baronies.
• Richard Stanihurst's history De rebus in Hibernia gestis is published by Christophe Plantin in Antwerp.

Births

Deaths

• 20 June – Dermot O'Hurley, Roman Catholic Archbishop of Cashel, put to death for treason. (b. c. 1530)
• Margaret Ball, died of deprivation in the dungeons of Dublin Castle, beatified in 1992 (b. 1515)
• Sir Henry Colley, or Cowley, an Irish soldier and landowner.