No likeness on file
Domnius
SaintFull write-upPre-congregation
Feast: 11 April (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
299
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Split in Dalmatia, in present-day Croatia, Saint Domnius, bishop and martyr, who is said to have been killed during the persecution of the emperor Diocletian.
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 11 April as a bishop and martyr at Split, said to have been killed under Diocletian.
Sources
- Roman Martyrology, 11 April (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q9396787 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.