Leobardus of Marmoutier

Leobardus of Marmoutier was, according to tradition, an Irish monk, a disciple of Saint Columbanus, and the first abbot of the monastery of Marmoutier in Alsace. He reposed around 618 and is venerated as a saint in the Western Church.

According to the sources, he came from the monastery of Bangor in Ireland and joined the community of Saint Columbanus at Luxeuil in the Vosges. Around 600 (in other sources not until 659) he became the first abbot of the monastery of Marmoutier, also called Maursmünster, in Alsace, which he probably founded. His feast is 24 February, according to the Western calendar (new style).

He must be distinguished from another Leobardus, a hermit from Auvergne who reposed in 583 near the monastery of Marmoutier by Tours; he is described by Gregory of Tours in the Lives of the Fathers and is also venerated by the Orthodox Church, on 18 January.