← 1542 1541 1540 1539 1538 1543 in Ireland → 1544 1545 1546 1547 1548
Centuries:	14th 15th 16th 17th 18th
Decades:	1520s 1530s 1540s 1550s 1560s
See also:	Other events of 1543 List of years in Ireland

Events from the year 1543 in Ireland.

• Monarch: Henry VIII

• April 19 – George Dowdall is nominated as Archbishop of Armagh (Church of Ireland) by King Henry VIII of England following the death of George Cromer; he is consecrated in December.
• July 1
  • Murrough O'Brien surrenders his Irish royalty to King Henry VIII of England and in the same year becomes a member of the Privy Council of England and is raised to the Peerage of Ireland as 1st Earl of Thomond and 1st Baron Inchiquin^[1] and may have reconstructed Dromoland Castle.
  • Ulick na gCeann Burke is created 1st Baron of Dunkellin and 1st Earl of Clanricarde in the Peerage of Ireland.
• November 10 – Thomas Butler is created 1st Baron of Caher in the Peerage of Ireland.^[2]

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• March 16 – George Cromer, Archbishop of Armagh (Church of Ireland).
• Muirgheas mac Pháidín Ó Maolconaire, scribe.