1604 in Ireland

Events from the year 1604 in Ireland.

Incumbent

 * Monarch: James I

Events

 * July 11 – Derry chartered as a city.

Births

 * March 10 (claimed) – David Barry, 1st Earl of Barrymore (d. 1642)
 * Ulick Burke, 1st Marquess of Clanricarde, nobleman and figure in English Civil War (d. 1657)
 * Nicholas French, Bishop of Ferns, political activist and pamphleteer (d. 1678)

Deaths

 * January 28 – Brian Oge O'Rourke, King of West Breifne.
 * Katherine FitzGerald, Countess of Desmond (b. c.1464)