Finnian of Movilla was an Irish monastic founder and teacher who established the monastery of Movilla (Maigh Bhile) in Ulster in the sixth century. He is honored as a patron of Ulster and is commemorated on September 10. He should not be confused with his contemporary and namesake Finnian of Clonard, a distinct Irish saint of the same era.
By tradition Finnian was born in Ulster of the Dal Fiatach, the ruling kindred of the region by Strangford Lough, a lineage traced to Fiatach the Fair, though some modern scholars have questioned this genealogy. He studied under Colman of Dromore and Mochaoi of Nendrum before continuing his formation at Candida Casa (Whithorn) in what is now Scotland. He is said to have spent some years at Rome, where he was ordained, returning to Ireland with a copy of Saint Jerome's Latin Vulgate.
Around 540 Finnian founded the abbey of Movilla at Maigh Bhile in County Down, about a mile from the northern shore of Strangford Lough near present-day Newtownards, under the patronage of the king of the Dal Fiatach. The monastery became a center of learning, mission, and commerce in early Christian Ulster. Finnian composed a monastic rule and a penitential code to guide the community. He reposed in 579; the Book of Armagh remembered him as a man of venerable life who reposes amid many miracles in his city of Movilla.