Mucius
Martyrological notice
The historical Roman Martyrology commemorates Mucius on 13 May. The Latin notice identifies the record as martyr and priest. The source places the commemoration at Constantinopoli.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Constantinopoli beati Mucii, Presbyteri et Martyris; qui, sub Diocletiano Imperatore et Laudicio Proconsule, prius Amphipoli, in Macedonia, multis poenis atque cruciatibus ob Christi confessionem afflictus, postea, Byzantium usque perductus, capitali sententia occubuit.