No likeness on file
Mesmin
French saint
SaintFull write-upPre-congregation
Feast: 15 December (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
520
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
In the territory of Orléans in Lugdunensian Gaul, now in France, Saint Mesmin, priest, held to be the first abbot of Micy.
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 15 December as a priest held to be the first abbot of Micy.
Sources
- Roman Martyrology, 15 December (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3851104 — dates, feast day and identifiers (CC0)
- English Wikipedia — Mesmin (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.