Maglorius
Martyrological notice
The historical Roman Martyrology commemorates Maglorius on 24 October. The Latin notice identifies the record as bishop. The source places the commemoration at In insula Sargiensi.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
In insula Sargiensi sancti Maglorii Episcopi, qui ibidem, dimisso Episcopali officio, quod erga sparsos in Armorica Britannos per triennium exercuerat, monasterium construxit, in quo sancte reliquum vitae tempus exegit; cujus corpus Lutetiam Parisiorum postea translatum fuit.