Abbot of Lismore

The Abbot of Lismore (Irish: Lios Mór; Latin: Lismorensis) was the head of Lismore Abbey, which is in modern-day County Waterford, Ireland.

The abbey was founded by Saint Mo Chutu in the early seventh century. After the death of Saint Mo Chutu, the abbots bore the title "Comarbai Mo Chutu" (i.e. "successor of Saint Mo Chutu"). A few of the abbots and others at the monastery were consecrated as bishops. In 1111, Niall mac Meic Áedacáin became the first diocesan bishop of Lismore when the diocese of Lismore was established by the Synod of Ráth Breasail.

The following is a list of abbots and monastic bishops. (Those who are not fully considered as abbot are indicated in square brackets, and those who were consecrated as bishops, but did not hold the office of abbot are indicated in italics and rounded brackets):

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