Picture: Didier Descouens · CC BY-SA 4.0 · Wikimedia Commons
Sylvius of Toulouse
Bishop of Toulouse
SaintFull write-upPre-congregation
Feast: 31 May (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
400
Died
400
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Toulouse in Gallia Narbonensis, now in France, Saint Sylvius, bishop, who was the first to give honour to the tomb of Saint Saturninus by building a basilica.
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 31 May as a bishop of Toulouse who began a basilica over the tomb of Saint Saturninus.
Sources
- Roman Martyrology, 31 May (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q2331648 — dates, feast day and identifiers (CC0)
- English Wikipedia — Sylvius of Toulouse (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.