1248 in Ireland

Incumbent

• Lord: Henry III

Events

• King's Bench in Dublin is instituted.
• Coleraine Castle is built.
• Goffraidh is inaugurated as "The O'Donnell", i.e. chief of the O'Donnell clan.
• Carrickfergus Abbey is founded by the Franciscan order.
• Jordan [de Exeter], Sheriff of Connacht, deals with rebellion in the Clew Bay area.

Deaths

• Walter de Burgo buried at Athassel Priory.
• Rory O'Cannon, the last chieftain of the O'Cannon clan is killed.