1687 in Ireland

• Monarch: James II

• January 8 – the Roman Catholic Richard Talbot, 1st Earl of Tyrconnell, is appointed Lord Deputy of Ireland.
• Early – the Lord Chancellor of Ireland, Sir Charles Porter, is dismissed on a charge of taking bribes and replaced by Sir Alexander Fitton, a Protestant who converts to Catholicism.{{cite book|last=O'Flanagan|first=J. Roderick|title=Lives of the Lord Chancellors and Keepers of the Great Seal of Ireland|url=https://archive.org/details/cu31924024626917|location=London|year=1870}}
• October – the Roman Catholic Thomas Nugent is appointed Lord Chief Justice of Ireland in succession to William Davys.

• Arthur Blennerhassett, lawyer and politician (d. 1758)
• John Maxwell, 1st Baron Farnham, peer and politician (d. 1759)
• Thomas Sheridan, Anglican divine and writer (d. 1738)
• 1686/1687 – Bridget Kavanah, claimed supercentenarian{{cite book|last=Kirby|first=R. S.|title=Kirby's wonderful and eccentric museum|volume=3|location=London|publisher=Kirby|year=1820}} (d. 1805)

• November 26 – Vere Essex Cromwell, 4th Earl of Ardglass, peer (b. 1625)
• Roger Boyle, Church of Ireland Bishop of Clogher (b. 1617?)
• William Burke, 7th Earl of Clanricarde, peer.
• William Davys, Lord Chief Justice of Ireland (fl. 1633)

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{{Years in Ireland}}

{{Year in Europe|1687}}

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Category:Years of the 17th century in Ireland

Category:1680s in Ireland

Ireland