Biography
Mirocles

About Mirocles
The earliest secure notice of Mirocles comes from the Donatist dispute. In his account of the Roman hearing held in 313, Optatus of Milevis lists “Merocles of Milan” among the bishops present with Miltiades of Rome and other church leaders. Modern prosopographical scholarship treats Merocles as the earliest Milanese bishop known from independent evidence, while warning that the city's longer episcopal lists survive in much later manuscripts. The roster places him in Milan's church leadership by 313; it tells nothing about his birth, election, family, or actions beyond attendance at the hearing.Ambrose later spoke of the inheritance of earlier Milanese bishops and named “Mysocles” among the faithful bishops of bygone days. The English translation's spelling differs from Optatus's “Merocles.” Scholars associate the name with Mirocles, but the variant should remain visible rather than being silently regularized. Ambrose's remembrance supports a place in Milanese episcopal memory, not a precise length of office or a specific life event. The Roman Martyrology commemorates St. Mirocles, bishop and confessor at Milan, on December 3. That is a church-calendar observance, not evidence that he died on that day. No reliable source used here establishes his birth or death date, birthplace, death place, or the popular claims of a 316 death and a 22-year episcopate.
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