John of Warneton
French Roman Catholic bishop and blessed
Who they were
At Thérouanne, also in France, Blessed John, bishop: a canon regular, he held the episcopal see of Maurienne, in which for over thirty years he fought against the simoniacs and founded eight monasteries of both canons and monks.
The miracles
The Roman Martyrology does not describe the miracles approved in the cause.
Why that counted as sanctity
The Roman Martyrology remembers him on 27 January as a canon regular and bishop who fought simony and founded eight monasteries.
The cause
The cause continues. No postulation address is published here yet. Favours received through this person’s intercession, and offers of help, are best sent to the religious order or congregation they belonged to, or to the diocese where the cause was opened; either will pass them to the postulation.
- Roman Martyrology, 27 January (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q2285140 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.