1768 in Ireland

Events

• 18 February – The Hon. Frederick Augustus Hervey, later 4th Earl of Bristol, is appointed Church of Ireland Bishop of Derry, an office he will hold until his death in 1803.
• 16 July – The Loftus Baronetcy, of Mount Loftus in the County of Kilkenny, is created in the Baronetage of Ireland for Edward Loftus.
• Poolbeg Lighthouse in Dublin Bay is first lit.
• The Ladies of Llangollen meet for the first time.
• Bishop John O'Brien's Irish-English dictionary, Focaloir Gaoidhilge-Sacs-Bhéarla, is published posthumously and anonymously in Paris.

  Births

• 22 March – Melesina Trench, writer.
• 8 April – Sir Frederick Falkiner, 1st Baronet, politician.
• 7 May – Alexander Arbuthnot, Church of Ireland Bishop of Killaloe.
• 9 May – Nathaniel Clements, 2nd Earl of Leitrim, nobleman and Whig MP.
• 11 July – Joseph O'Lawlor, soldier in the service of Spain.
• Undated
• *John Milner Barry, physician.
• *Edward Donovan, writer, traveller and amateur zoologist.
• *Daniel Murray, Roman Catholic Archbishop of Dublin.
• Approximate date
• *John Brenan, physician.
• *James McClelland, Solicitor-General for Ireland.

  Deaths

• 3 March – Richard Mounteney, judge and classical scholar.
• 18 March – Rev. Laurence Sterne, novelist.
• 11 September – William Francis Crosbie, politician.
• Thomas Drennan, reforming Presbyterian minister.
• Richard Trench, politician.