Austregisilus was a Frankish prelate born in Bourges around 551. After serving as an attendant to King Gontram at the court in Chalon-sur-Saône, he entered monastic life at the Saint-Nizier abbey. His ecclesiastical career included a period as an abbot in Lyon before he was elected as the Bishop of Bourges in 612. He is recognized as a significant religious figure of his era, having mentored Saint Amand and ordained Sulpitius the Pious.
Life and service

Following his early years in the royal court, Austregisilus dedicated himself to monasticism. He later transitioned to leadership roles, serving as an abbot in Lyon. In 612, he assumed the bishopric of Bourges, where he remained until his death in 624. During his tenure, he influenced several notable religious figures through his teaching and ordinations.
Veneration and legacy
The Catholic Church recognizes him as a saint, with his feast day observed on May 20. His memory is preserved through various namesakes, including the locations of Saint-Outrille and Saint-Aoustrille. He is honored in both Catholic and Orthodox traditions as a historical figure of the pre-schism period.
