Symmachi
Martyrological notice
The historical Roman Martyrology commemorates Symmachi on 19 July. The Latin notice identifies the record as pope. The source places the commemoration at Romae.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Romae sancti Symmachi Papae, qui, a schismaticorum factione diutius fatigatus, demum, sanctitate conspicuus, migravit ad Dominum.