 Xavier University – Ateneo de Cagayan was founded on June 7, 1933, as the "Ateneo de Cagayan" by an American Jesuit missionary, Fr.James T. G. Hayes, S.J., who later became the first Bishop and Archbishop of Cagayan de Oro.It was first located at Burgos Street by the former St. Augustine Parochial School, and began with 17 first-year high school students.