Saint Marios, Bishop of Sebaste.
St. Marios was a bishop of Sebaste in Armenia whose name is preserved in the Greek synaxaria for March 13. Tradition relates that he governed his flock in holiness and reposed in peace.
The Church keeps his memory on this day.
Feast day
On the New Calendar, Marios of Sebaste is commemorated on March 13. Churches on the Old (Julian) Calendar keep the feast on March 26 of the civil calendar.
Also commemorated on March 13

Nikephoros of Constantinople
Hierarch, Νικηφόρος
Patriarch of Constantinople, confessor.
Name days: Nikiforos, Nikiforis, Nicephorus
Africanus, Publius and Terence
Martyr, Αφρικανός
Holy Martyrs Africanus, Publius and Terence of Carthage.
Christina of Persia
Holy Woman, Χριστίνα η εν Περσία
Holy Martyr Christina of Persia, scourged to death for Christ.