← 1722 1721 1720 1719 1718 1723 in Ireland → 1724 1725 1726 1727 1728
Centuries:	16th 17th 18th 19th 20th
Decades:	1700s 1710s 1720s 1730s 1740s
See also:	Other events of 1723 List of years in Ireland

Events from the year 1723 in Ireland.

• Monarch: George I

• 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.

• Mervyn Archdall, antiquary (d. 1791)
• Approximate date – William Greatrakes, lawyer (d. 1781)

• February 11 – Captain Hildebrand Alington, 5th Baron Alington, soldier, last Baron Alington of the first creation (b. 1641)
• June 2 – Esther Vanhomrigh, Jonathan Swift's "Vanessa" (b. c. 1688)
• August – William Handcock, politician (b. 1676)
• August/September – Francis Burke, Roman Catholic Archbishop of Tuam
• September 16 – Gustavus Hamilton, 1st Viscount Boyne, soldier and politician (b. 1642)
• December 22 – Mary Joseph Butler, Benedictine abbess (b. 1641)^[1]
• Henry Colley, politician (b. c. 1685)
• Micheál Ó Mordha, Roman Catholic priest, philosopher and educationalist (b. c. 1639)