1543 in Ireland

Events from the year 1543 in Ireland.

Incumbent

 * Monarch: Henry VIII

Events

 * 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 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.

Deaths

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