After finishing at St. Gregory's, Donovan entered Mount St. Mary Seminary in Norwood, Ohio to study theology.
[1] After his ordination, Donovan was assigned as associate pastor of St. Mary Star of the Sea Parish in Jackson, Michigan.
[2] On June 15, 1971, Pope Paul VI named Donovan the first bishop of the newly created Diocese of Kalamazoo.
"[3] On November 22, 1994, Pope John Paul II accepted Donovan's resignation as bishop of Kalamazoo for health reasons.
He had driven into a small pond in a secluded area, and suffered a fatal heart attack after reaching the shore.