Mo Chutu of Lismore

Mo Chutu mac Fínaill (died 14 May 637), also known as Mochuda, Carthach or Carthach the Younger (a name Latinized as Carthagus and Anglicized as Carthage ), was abbot of Rahan, County Offaly, and subsequently, founder and first abbot of Lismore , County Waterford. The saint's Life has come down in several Irish and Latin recensions, which appear to derive from a Latin original written in the 11th or 12th century.

Mo Chutu first became abbot of Rahan, a monastery which lay in the territory of the southern Uí Néill. He composed a rule for his monks, an Irish metrical poem of 580 lines, divided into nine separate sections, a notable literary relic of the early Irish Church. The Latin and Irish Lives make very little of Mo Chutu's earlier misfortune and focus instead on the saint's resistance to the oppressive Uí Néill rulers and his joyous reception among the Déisi.

In the present calendar of the Catholic Church in Ireland, in which 14 May is the feast of Saint Matthias, the memorial of Saint Carthage is celebrated on 15 May.