O'Leary was born in
Berthierville,
Quebec on 3 July 1910. He attended the
Collège Saint-Joseph in Berthierville before travelling to
Belgium to study at a
Roman Catholic seminary in
Wavre. Later, he attended the
Institut supérieur de commerce Saint-Louis in
Brussels, where he earned a
license in commercial sciences, and completed licenses in consular and maritime sciences at the
Institut Saint-Ignace in
Antwerp. O'Leary also studied at the
École Libre des Sciences Politiques in
Paris and the
National Autonomous University of Mexico (
Mexico City), where he earned a license in philosophy and a
Master of Arts in
Spanish. O'Leary published articles in various French-language magazines and newspapers, including ''L'Indépendance
, L'Ordre
, and L'Unité''.
Personal life O'Leary was born to Emile O'Leary and Fébronie Dostaler and had two sisters—Marguerite and Alice—and a brother, Émile-Dostaler. He married Gratia Parent on 23 January 1960, at the age of 49. He fathered two children: Christian and Pascal.
Death O'Leary died on 13 September 1989 in
Montreal, aged 79. ==References==