Picture: Andreas F. Borchert · CC BY-SA 4.0 · Wikimedia Commons
Muiredach of Killala
Bishop of Killala
SaintResearchedDate unknown
Feast: 12 August (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 Killala in Ireland, Saint Muiredach, 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 12 August as a bishop of Killala.
Sources
- Roman Martyrology, 12 August (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q6933221 — dates, feast day and identifiers (CC0)
- English Wikipedia — Muiredach of Killala (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.