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Domninus of Thessalonica
martyr at Thessalonica
SaintResearchedDate unknown
Feast: 30 March (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 Domninus, martyr.
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 March as a martyr at Thessalonica.
Sources
- Roman Martyrology, 30 March (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q47525174 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.