1409 in Ireland

none September 2026 September 2026 1409 Events from the year 1409 in Ireland. Incumbent Lord: Henry IV Events Lord Lieutenant of Ireland, Thomas of Lancaster, Duke of Clarence, left Ireland, remaining in the role until 1413.Otway-Ruthven A.J. Annette Jocelyn Otway-Ruthven A History of Medieval Ireland 1993 Barnes and Noble New York 3462009 John of Lancaster Dictionary of Irish Biography Cambridge University Press https://www.dib.ie/biography/thomas-lancaster-a8514 22 September 2026 Beresford David 10.3318/dib.008514.v1 James Cornwalsh appointed justice of the peace in Wexford.2009 Cornwalsh, James Dictionary of Irish Biography Cambridge University Press https://www.dib.ie/biography/thomas-lancaster-a8514 22 September 2026 Beresford David 10.3318/dib.002059.v1 Patrick Barrett appointed Justice of the Peace in Ferns2009 Barrett, Patrick Dictionary of Irish Biography Cambridge University Press https://www.dib.ie/biography/thomas-lancaster-a8514 22 September 2026 Beresford David 10.3318/dib.000409.v1 Jenico Dartasso led a campaign in Ulster.2009 Dartasso (Dartas), Janico Dictionary of Irish Biography Cambridge University Press https://www.dib.ie/biography/dartasso-dartas-janico-a2413 22 September 2026 Beresford David 10.3318/dib.002413.v1 Deaths References 1409 Category:1400s in Ireland Ireland Category:Years of the 15th century in Ireland