Camillus Costanzo
Italian Jesuit missionary
Feast: 15 March (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Who they were
In the city of Hirado in Japan, Blessed Camillus Costanzo, priest of the Society of Jesus and martyr, who, condemned by the supreme commander Hidetada to be burned alive, never ceased preaching Christ even at the stake.
The miracles
As a martyr he was raised to the altars without a miracle.
Why that counted as sanctity
The Roman Martyrology remembers him on 15 September as a Jesuit priest burned alive at Hirado who preached Christ even at the stake.
The cause
Camillus Costanzo has been beatified; the cause continues. Favours received, and offers of help, go to the postulation, the office that carries the cause forward: Jesuits: Blessed Camillus Costanzo.
- Roman Martyrology, 15 September (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q762049 — dates, feast day and identifiers (CC0)
- English Wikipedia — Camillus Costanzo (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.