Saint Brioc died was a 5th-century Welsh holy man who became the first abbot of Saint-Brieuc in Brittany. He is one of the seven founder saints of Brittany.
He came from Ceredigion where the church was dedicated to him. He received his education in Ireland and he spent time in Scotland. He most likely returned to France early in 431, accompanied by Saint Illtud.
In 480, he founded a monastery at Landebaeron. He then established an oratory at St Brieuc-des-Vaux, where he became the abbot.
He likely died in 502, in his own monastery at St. Brieuc-des-Vaux. He is considered the patron saint of purse makers.