Picture: Marc Ryckaert · CC BY 3.0 · Wikimedia Commons
Saint Hadelin
Belgian saint
SaintResearchedPre-congregation
Feast: 3 February (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
617
Died
690
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
In the monastery of Celles in Hainaut, in present-day Belgium, Saint Hadelin, priest and abbot.
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 February as a priest and abbot of the monastery of Celles.
Sources
- Roman Martyrology, 3 February (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q2074427 — dates, feast day and identifiers (CC0)
- English Wikipedia — Saint Hadelin (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.