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Hermes Exorcista
SaintFull write-upPre-congregation
Feast: 31 December (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
300
Died
—
unknown
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Retiers, St. Hermes, exorcist.
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 Dominican Martyrology (1955) remembers him on 31 December.
Sources
- The Martyrology of the Order of Friars Preachers (tr. W. R. Bonniwell OP, 1955), 31 December
- Wikidata Q56256763 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.