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Guénin de Vannes

SaintFull write-upPre-congregation
Born
550
Died
—
unknown
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began

Who they were

Guénin is remembered as one of the early bishops of the Church of Vannes in Brittany, at the tenth position in its ancient list of bishops, between Regalis (remembered around 590) and Vignoroc. Almost nothing certain is known about his birth, family, or ordination; a tradition recorded in the 17th century by Albert Le Grand holds that he was elected bishop in 618 and died in 622, though this date cannot be considered historically certain.

His memory survives above all in the territory of the Morbihan, where the town of Guénin bears his name, with a parish church, a fountain and other traces of devotion to him still found there. His feast is kept on 19 August.

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

Early medieval bishop of Vannes in Brittany, traditionally 618-622; the town of Guénin in the Morbihan bears his name.

Sources

Checked against the sources listed on 22 September 2026. Corrections welcome.

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