Picture: Plechelmus at Dutch Wikipedia · Public domain · Wikimedia Commons
Plechelm
Irish Benedictine monk, missionary and saint
SaintFull write-upIrelandBenedictinesPre-congregation
Feast: 15 July (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
601
Died
730
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Roermond on the Meuse in Austrasia, in present-day Holland, Saint Plechelm, bishop, who, a native of Northumbria, proclaimed to many the riches of Christ.
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 15 July as a bishop from Northumbria who preached Christ in the region of Roermond.
Sources
- Roman Martyrology, 15 July (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3392202 — dates, feast day and identifiers (CC0)
- English Wikipedia — Plechelm (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.