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Nicasius
apostle of the Vexin
SaintFull write-upPre-congregation
Feast: 11 October (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
201
Died
300
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
In the territory of the Vexin in Gallia Lugdunensis, now in France, commemoration of Saints Nicasius, Quirinus, Scubiculus and Pientia, martyrs.
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 11 October as a martyr of the Vexin.
Sources
- Roman Martyrology, 11 October (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3339549 — dates, feast day and identifiers (CC0)
- English Wikipedia — Nicasius of Rouen (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.