1223 in Ireland

Incumbent

• Lord: Henry III

Events

• 2 February – End of the 5 month-long precipitation in Ireland According to the Annals of Loch Cé.

Full dates unknown

• Miles de Courcy was granted the territories of Kingsale and Ringrone by Henry III of England.
• Baron Kerry was established, with Thomas Fitzmaurice being the first baron.
• The current Old Head of Kinsale was constructed.

Deaths

• Albin O'Molloy, Irish bishop
• Máel Ísa Ua Conchobair, Irish prince