Picture: Marica Massaro · CC BY-SA 4.0 · Wikimedia Commons
Deusdedit of Montecassino
SaintResearchedBenedictinesPre-congregation
Feast: 9 October (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
701
Died
834
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Montecassino in Lazio, Saint Deusdedit, abbot, who, thrown into prison by the tyrant Sicard, gave up his spirit to God here, worn out by hunger and tribulations.
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 9 October as an abbot of Montecassino who died in prison, worn out by hunger.
Sources
- Roman Martyrology, 9 October (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3414115 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.