1603 in Ireland

← 1602 1601 1600 1599 1598 1603 in Ireland → 1604 1605 1606 1607 1608
Centuries:	15th 16th 17th 18th 19th
Decades:	1580s 1590s 1600s 1610s 1620s
See also:	Other events of 1603 List of years in Ireland

Events from the year 1603 in Ireland.

Events

• March 24 – James VI of Scotland becomes King James I of England and Ireland upon the death of Elizabeth I in England (but the news is withheld from the Irish leaders in treaty negotiations).
• March 31 – the Nine Years War (1595–1603) is ended by the submission of Hugh O'Neill, Earl of Tyrone, to the English Crown and the signing of the Treaty of Mellifont.
• November – Geoffrey Keating is one of forty students who sail for Bordeaux under the charge of the Rev. Diarmaid MacCarthy to begin their studies at the Irish College which has just been founded in that city by Cardinal François de Sourdis, Archbishop of Bordeaux.
• Ballintubber Abbey is suppressed.
• Sir Edmund Pelham, Chief Baron of the Irish Exchequer since 1602, holds the first assizes in Ulster, at Donegal.
• Brian Óg na Samhthach Ó Ruairc, King of West Breifne is overthrown

Births

• Approximate date – Audley Mervyn, lawyer, politician and soldier (d. 1675)

Deaths

• March 24 – Queen Elizabeth I of England and Ireland (b. 1533)
• William Piers, Governor of Carrickfergus