Picture: Sailko · CC BY 3.0 · Wikimedia Commons
Proculus of Bologna
saint and martyr
SaintResearchedAncient RomePre-congregation
Feast: 1 June (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
201
Died
304
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Bologna, Saint Proculus, martyr, who for the Christian truth was pierced with beam nails.
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 1 June as a martyr of Bologna pierced with nails for the Christian truth.
Sources
- Roman Martyrology, 1 June (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q430497 — dates, feast day and identifiers (CC0)
- English Wikipedia — Proculus of Bologna (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.