In Vienne, in the Gallia Lugdunensis, St. Mamerto, Bishop, who, on the occasion of an imminent misfortune, instituted a solemn litanies to the preparatory Triduum of the feast of the Ascension of the Lord (c. 475) in this city.
| Celebration | 11 of May Saints of the day |
|---|---|
| Name |
Mamerto is a man's name.
|
| Death | on May 11, 0475 in Vienne in current France Saints dead in France |
| Process | We have no record of his canonization process. |