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Florentius of Thessaloniki
SaintFull write-upDate unknown
Feast: 13 October (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 Thessalonica in Macedonia, now in Greece, Saint Florentius, martyr, who after various torments is said to have been killed by fire.
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 13 October as a martyr of Thessalonica said to have been killed by fire.
Sources
- Roman Martyrology, 13 October (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q136848822 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.