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Colman mac Duagh

Irish saint

SaintFull write-upIrelandDate unknown

Feast: 29 October (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)

Born
560
verified
Died
29 October 632
verified
Beatified
—
not on record
Canonised
—
not on record

Who they were

Colman, born at Kiltartan about 560, lived for many years as a hermit on Aran, where he built two churches, then sought greater solitude in the woods of the Burren in 592.

In 610 he founded a monastery that became the centre of the diocese of Kilmacduagh, of which he is bishop and patron. He died on 29 October 632.

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

A hermit who became the founding bishop of his people.

Connected on this site

  • Sárnait Saint
    “Surney was an associate of Colman mac Duagh, who was the bishop of the locality at the time.” — Wikipedia
Sources

Checked against the sources listed on 21 September 2026. Corrections welcome.

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