Picture: Wolfgang Sauber · CC BY-SA 4.0 · Wikimedia Commons
Imerius of Immertal
Swiss saint
SaintResearchedPre-congregation
Feast: 12 November (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
550
Died
620
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
In the valley of the Suze in present-day Switzerland, Saint Imerius, hermit, who preached the Gospel in this region.
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 13 November as a hermit who preached the Gospel in the valley of the Suze.
Sources
- Roman Martyrology, 13 November (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q1619045 — dates, feast day and identifiers (CC0)
- English Wikipedia — Imerius of Immertal (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.