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Marcianus
4th century monk
SaintFull write-upPre-congregation
Feast: 31 January (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
301
Died
381
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
Commemoration of Saint Marcianus, hermit, who, born at Cyrrhus in the territory of present-day Turkey, withdrew to a monastery at Chalcedon, where, living in a narrow dwelling, he ate only a little bread and water in the evening, yet put brotherly love before fasting.
The miracles
There was never a formal cause: he has been honoured as a saint since before the Church's formal processes began.
Why that counted as sanctity
The Roman Martyrology remembers him on 2 November as a hermit from Cyrrhus who lived in great austerity yet put brotherly love before fasting.
Sources
- Roman Martyrology, 2 November (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q11767925 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.