1723 in Ireland

Events

• March 12 – the title of Viscount Palmerston is created in the Peerage of Ireland for the politician Henry Temple.
• December 14 – Bernard O'Gara is selected to succeed Francis Burke as Roman Catholic Archbishop of Tuam.
• The first portion of Dr Steevens' Hospital is opened at Kilmainham, Dublin.
• Avoca Handweavers, Ireland's oldest surviving business, is established in County Wicklow.

  Births

• Mervyn Archdall, antiquary
• Approximate date – William Greatrakes, lawyer

  Deaths

• February 11 – Captain Hildebrand Alington, 5th Baron Alington, soldier, last Baron Alington of the first creation
• June 2 – Esther Vanhomrigh, Jonathan Swift's "Vanessa"
• August – William Handcock, politician
• August/September – Francis Burke, Roman Catholic Archbishop of Tuam
• September 16 – Gustavus Hamilton, 1st Viscount Boyne, soldier and politician
• December 22 – Mary Joseph Butler, Benedictine abbess
• Henry Colley, politician
• Micheál Ó Mordha, Roman Catholic priest, philosopher and educationalist