1769 in Ireland

• Monarch: George III

• 15 July – the Royal Hibernian Military School, founded in Dublin to educate orphaned children of members of the British armed forces in Ireland, is granted its Royal charter.
• November – River Shannon made navigable from Killaloe (Lough Derg) to Roosky above Lough Ree.{{cite book|first=Ruth|last=Delany|title=A celebration of 250 years of Ireland's Inland Waterways|location=Belfast|publisher=Appletree Press|year=1988|isbn=0-86281-200-3|page=49}}

• 1 May – the Hon. Arthur Wesley, later Arthur Wellesley, 1st Duke of Wellington, soldier and statesman (died 1852).
• May – Nicholas Tuite MacCarthy, Jesuit preacher (died 1833).
• 18 June – Robert Stewart, Viscount Castlereagh, politician, represented the United Kingdom at the Congress of Vienna (died 1822).
• 28 July – Hudson Lowe, British military leader (died 1844).
• 23 December – Martin Archer Shee, painter (died 1850).
• Approximate date – Gorges Lowther, politician (died 1854).

• 23 January – Thomas Fortescue, politician (born 1683).
• 19 September – Robert MacCarty, Viscount Muskerry, Royal Navy officer (born 1698).
• 20 November – Charles Gardiner, landowner and politician (born 1720).
• James Daly, politician (born c.1716).

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{{Years in Ireland}}

{{Year in Europe|1769}}