Mercurius
Martyrological notice
The historical Roman Martyrology commemorates Mercurius on 25 November. The source places the commemoration at Caesareae, in Cappadocia.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Caesareae, in Cappadocia, passio sancti Mercurii militis, qui custodientis se Angeli patrocinio et barbaros vicit, et Decii saevitiam superavit; multisque auctus tormentorum trophaeis, martyrio coronatus migravit in caelum.