Mooney was ordained a Roman Catholic priest on April 10,1909, serving the Roman Catholic Diocese of Cleveland, he was consecrated a bishop, and served as an apostolic delegate to India and Japan before being recalled for a post in the United State.
Mooney was ordained a Roman Catholic priest on April 10,1909, serving the Diocese of Cleveland. On January 31,1926, he was consecrated a bishop, and served as an apostolic delegate to India and Japan before being recalled for a post in the United State.