1684 in Ireland

Incumbent

• Monarch: Charles II

  Events

• February 18 – "Court of grace" appointed to enquire into tithes on land.
• March 25 – Royal Hospital Kilmainham is completed in Dublin as a home for retired soldiers, to the design of Sir William Robinson.
• Jeremiah O'Donovan's landownings in County Cork are erected by royal letters patent into the Manor of the Leap.
• The regiment which becomes the Royal Irish Regiment is formed from independent companies by Arthur Forbes, Viscount Granard.
• Historian Ruaidhrí Ó Flaithbheartaigh compiles his Chorographical description of West or Iar Connacht for William Molyneux.

  Births

• February 20 – Edward Bayly, landowner and politician

  Deaths

• February 25 – Richard Nugent, 2nd Earl of Westmeath, noble and military commander
• July – Sir George Downing, 1st Baronet, Anglo-Irish soldier, statesman, and diplomat
• Murrough Ó Laoí, physician.