Relative of Saint Fiacre whom he visited while on pilgrimage to Rome, Italy. Stayed for a while to learn contemplative prayer from Fiacre. Acquainted with bishop Saint Faro of Meaux who dispatched him to evangelize in Artois, France. He was very successful as a missionary. Founded a monastery at Aubigny-en-Artois, France. Sometimes listed as a bishop, but records vary on his consecration. Reported to have been offered the papacy, the only Irishman known to have been offered the throne; he declined, citing his inadequacy.
- in the 7th century in Artois, France of natural causes
- relics enshrined the monastery he founded at Aubigny-en-Artois
- “Saint Chillien of Aubigny“. CatholicSaints.Info. 13 November 2009. Web. 6 May 2015. <>