Jona
Martyrological notice
The historical Roman Martyrology commemorates Jona on 22 September. The Latin notice identifies the record as martyr and priest. The source places the commemoration at Apud pagum Castrensium.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Apud pagum Castrensium sancti Jonae, Presbyteri et Martyris; qui, cum sancto Dionysio profectus in Galliam, ibidem, Juliani Praefecti jussu verberibus caesus, gladio martyrium consummavit.