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Llwchaiarn
6th-century Welsh saint
SaintFull write-upWalesPre-congregation
Feast: 11 January (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
580
Died
640
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
Llwchaiarn, brother of Aelhaiarn, Patron of Llanghaiarn, Carnarvon, and Llanwchaiarn, Montgomery.
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
Stanton's Menology of England and Wales (1887) lists him among the Welsh saints to whom churches are dedicated.
Sources
- A Menology of England and Wales (Richard Stanton, 1887), Appendix I A: Welsh Saints to whom Churches are dedicated
- Wikidata Q47179942 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.