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Petronius of Die
bishop of Die
SaintFull write-upDate unknown
Feast: 10 January (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
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unknown
Beatified
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not on record
Canonised
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not on record
Who they were
At Die in the territory of Vienne, in France, Saint Petronius, bishop, who had earlier led the monastic life on the island of Lérins.
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 10 January as a bishop of Die who had earlier lived as a monk on the island of Lérins.
Sources
Checked against the sources listed on 22 September 2026. Corrections welcome.