1647 in Ireland

Events

• July – James Butler, 1st Duke of Ormonde, surrenders Dublin to parliamentary forces under Michael Jones.
• August – Battle of Dungan's Hill, Confederate Ireland army intercepted on a march towards Dublin and destroyed by Parliamentary army.
• September – Sack of Cashel: Murrough O'Brien, 1st Earl of Inchiquin, slaughters the Confederate Ireland garrison at Cashel. The priest Theobald Stapleton suffers summary execution. Inchiquin goes on to devastate Catholic-held Munster.
• November – Battle of Knocknanuss, Murrough O'Brien, 1st Earl of Inchiquin's Parliamentarian army inflicts crushing defeat on Confederate Ireland's Munster army.

  Births

• Adam Loftus, 1st Viscount Lisburne, courtier and military commander

  Deaths

• 13 September – Theobald Stapleton, priest and writer, put to death in Sack of Cashel
• Garret Barry, soldier, served in the Eighty Years' War and the Irish Confederate Wars, military writer.
• Col Ciotach, adventurer of Clan Donald, Laird of Colonsay
• Alasdair MacColla, Scottish/Irish soldier, son of Colla Ciotach, killed at the battle of Knocknanuss.