← 1642 1641 1640 1639 1638 1643 in Ireland → 1644 1645 1646 1647 1648
Centuries:	15th 16th 17th 18th 19th
Decades:	1620s 1630s 1640s 1650s 1660s
See also:	Other events of 1643 List of years in Ireland

Events from the year 1643 in Ireland.

Incumbent

• Monarch: Charles I

Events

• March 18 – Irish Confederate Wars: Battle of New Ross: James Butler, Earl of Ormonde, defeats Thomas Preston and a numerically superior Irish Confederate army north of the town of New Ross.
• June 4 – Confederate Wars: Battle of Funcheon Ford: Catholic Confederation commander James Tuchet, 3rd Earl of Castlehaven's horsemen surprise and rout hundreds of Baron Inchiquin's men near Castlelyons in County Cork.^[1][2][3]
• September – Confederate Wars: "Cessation" (i.e. ceasefire) arranged by Ormond places the greater part of Ireland into the hands of the Catholic Confederation.
• An Calbhach mac Aedh Ó Conchobhair Donn, The Ó Conchubhair Donn, Chief of the Name of the Clan Ó Conchubhair, is popularly inaugurated as King.

Births

Deaths

• September 15 – Richard Boyle, 1st Earl of Cork, Lord High Treasurer of Ireland (b. 1566)
• Mícheál Ó Cléirigh, chronicler and chief author of the Annals of the Four Masters (b. c. 1590)