St. Killian (640-689 A.D.), also known as St. Cillian, was born to a noble family in Ireland. As a child he was known for his piety and love of study, which led him to the priesthood. He became a traveling bishop on the island, and in 686 A.D. left Ireland with eleven companions to travel throughout Gaul (present day France and parts of Germany) to preach the Gospel. From there he traveled to...