Celsi
Martyrological notice
The historical Roman Martyrology commemorates Celsi on 1 April. The Latin notice identifies the record as bishop. The source places the commemoration at Ardpatricii, in Momonia Hiberniae provincia.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Ardpatricii, in Momonia Hiberniae provincia, sancti Celsi Episcopi, qui beatum Malachiam in Episcopatu praecessit.