Dionysius
Martyrological notice
The historical Roman Martyrology commemorates Dionysius on 17 November. The Latin notice identifies the record as bishop. The source places the commemoration at Alexandriae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Alexandriae sancti Dionysii Episcopi, summae eruditionis viri, qui, multis confessionibus clarus et pro passionum tormentorumque diversitate magnificus, plenus dierum Confessor quievit, Valeriani et Gallieni Imperatorum temporibus.