Picture: unknown artist · Public domain · Wikimedia Commons
Callinicus
3rd-century Bithynian martyr
SaintFull write-upDate unknown
Feast: 14 December (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
—
unknown
Beatified
—
not on record
Canonised
—
not on record
Who they were
At Apollonia in Bithynia, in present-day Turkey, Saints Thyrsus, Leucius, Callinicus and companions, martyrs, who, tradition says, suffered their passion in the time of the emperor Decius.
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 14 December as a martyr at Apollonia in Bithynia who, tradition says, suffered under the emperor Decius.
Sources
- Roman Martyrology, 14 December (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3566236 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.