Peter the Deacon
monk and deacon at Rome
Feast: 30 April (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
At Rome, Blessed Peter the Deacon, who, a monk on the Caelian Hill, by commission of Pope Saint Gregory the Great wisely administered the patrimony of the Church of Rome and, ordained deacon, served the pontiff faithfully.
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 30 April as a monk of the Caelian Hill who administered the patrimony of the Church of Rome for Pope Saint Gregory the Great.
The cause
The cause continues. No postulation address is published here yet. Favours received through this person’s intercession, and offers of help, are best sent to the religious order or congregation they belonged to, or to the diocese where the cause was opened; either will pass them to the postulation.
Connected on this site
- Placidus Saint“The account of his martyrdom, which claims to be by his servant Gordianus, is now held to be the work of Peter the Deacon, a twelfth-century monk of Monte Cassino, who seems to have confused him with an earlier Placitus martyred in Sicily under Diocletian with Euticius and thirty companions, whose feast fell on 5…” — this site's research
- Roman Martyrology, 30 April (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q78514454 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.