The following is a list of events from the year 1629 in Ireland.

• Monarch: Charles I

• 15 October – the Osborne Baronetcy, of Ballentaylor in the County of Tipperary, and Ballylemon in the county of Wexford, is created in the Baronetage of Ireland in favour of Richard Osborne.
• 26 December – the Archbishop of Dublin, Lancelot Bulkeley, the Mayor and a body of musketeers invade and suppress a clandestine friary in Cook Street, Dublin, during Solemn Mass.^[1]
• A community of Colettine Poor Clares moves to Dublin.

• 1 November – Oliver Plunkett, Roman Catholic Archbishop of Armagh and Primate of All Ireland, last Catholic martyr to die in England, canonised (executed 1681)
• Ruaidhrí Ó Flaithbheartaigh, historian (d. 1716 or 1718)
• Sir Henry Piers, baronet, soldier and antiquarian (d. 1691)

• 4 March (bur) – Ambrose Ussher, Protestant scholar (b. c.1582)
• 18 June – Tiobóid na Long Bourke, 1st Viscount Mayo, clan chief (b. 1567)
• 18 November – Fláithrí Ó Maol Chonaire, Franciscan theologian (b. 1560)
• Sir Paul Gore, 1st Baronet, politician (b. 1567)