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Mac Nisse of Connor
Irish bishop and saint
SaintResearchedPre-congregation
Feast: 3 September (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
509
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
In Ireland, Saint Mac Nisse, bishop.
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 3 September as a bishop in Ireland.
Connected on this site
- Colmán of Kilroot Saint“In the Life of Mac Nise in the Codex Salmanticensis, the young Colman is saved from death by Bishop Mac Nisse of Connor, and instructed in the Holy Scriptures.” — Wikipedia
Sources
- Roman Martyrology, 3 September (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3313214 — dates, feast day and identifiers (CC0)
- English Wikipedia — Mac Nisse of Connor (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.