Career
He served as Coadjutor Bishop of Chicago from March 10, 1870 until his death on February 19, 1879. Born in Baltimore, Maryland, Foley attended local schools when he was convinced of a calling to Holy Orders. He was ordained a priest of the Archdiocese of Baltimore on August 16, 1846.
On November 19, 1869, he was appointed Coadjutor Bishop of Chicago.
On February 27, 1870, Foley was consecrated titular bishop of Pergamum. He was installed as coadjutor bishop at Holy Name Cathedral on March 10.
He died in office before he could succeed the Bishop of Chicago.