1605 in Ireland

Incumbent

• Monarch: James I

Events

• 3 February – Sir Arthur Chichester is appointed Lord Deputy of Ireland, an office he will hold for a decade.
• 11 March – a proclamation declares all people of Ireland to be the direct subjects of the British Crown and not of any local lord or chief.
• 4 July – a proclamation commands all Roman Catholic seminary priests and Jesuits to leave the country by 10 December and directs the laity to attend Church of Ireland services.
• 14 October – Thomas Jones is appointed to succeed Adam Loftus as Lord Chancellor of Ireland.
• 8 November – Thomas Jones is appointed to succeed Adam Loftus as Archbishop of Dublin (Church of Ireland).
• November – Scottish adventurer James Hamilton is granted the lordship of Upper Clandeboye and the Great Ardes in the north of County Down by King James VI and I.
• The Irish College in Paris is co-founded by John Lee, an Irish priest, and John de l'Escalopier, President of the Parlement.
• Refugee French Huguenot merchants begin to settle in Dublin and Waterford.

Births

• Raymond Caron, Franciscan friar and author
• Lady Hester Pulter, born Hester Ley, poet
• Approximate date – James Dillon, 3rd Earl of Roscommon

Deaths

• 5 April – Adam Loftus, Archbishop of Dublin (Church of Ireland) and Lord Chancellor of Ireland
• 24 September – Sir George Bourchier, soldier and politician
• Tadhg O'Rourke, King of West Breifne