No likeness on file
Oceanus of Nicomedia
SaintResearchedDate unknown
Born
—
unknown
Died
—
unknown
Beatified
—
not on record
Canonised
—
not on record
Who they were
At Nicomedia in Bithynia, in present-day Turkey, Saint Oceanus, 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 18 September as a martyr at Nicomedia.
Sources
- Roman Martyrology, 18 September (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q141491626 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.