1245 in Ireland

Centuries:	11th; 12th; 13th; 14th; 15th;
Decades:	1220s; 1230s; 1240s; 1250s; 1260s;
See also:	Other events of 1245 ; List of years in Ireland

Events from the year 1245 in Ireland.

Leadership

An earthquake destroys the Cathedral of Down which was established by John de Courcy with generous endowments to the Benedictines from Chester in England in 1183.^{[citation needed]}
William Welwood becomes Lord Chancellor of Ireland.^[2]
Maurice Fitzgerald, the Lord Chief Justice of Ireland, is generally credited with the establishment of the medieval European-style town and port of Sligo, building Sligo Castle in 1245.^{[citation needed]}

^ Carpenter, David A. (1990). The minority of Henry III. Berkeley, Calif.: Univ. of California Press. ISBN 978-0-520-07239-8.
^ O'Flanagan, James Roderick (1870). The Lives of the Lord Chancellors and Keepers of the Great Seal of Ireland: From the Earliest Times to the Reign of Queen Victoria. Vol. 1. Longmans, Green, and Company. p. 19.