Buckley was born in New York City. He is the son of Aloise Josephine Antonia (née Steiner) and Lawyer and businessman william Frank Buckley, Sr. He is the older brother of the late conservative Writer william F. Buckley, Jr. and the uncle of Christopher Taylor Buckley. He is also the uncle of Brent Bozell III and political consultant william F. B. O'Reilly. His mother, from New Orleans, was of Swiss-German, German, and Irish descent, while his paternal grandparents, from Hamilton, Ontario, Canada, were of Irish ancestry. Graduating from Yale University in 1943 with a Bachelor of Arts degree, where he was a member of Skull and Bones, Buckley enlisted in the United States Navy in 1942 and was discharged with the rank of lieutenant in 1946. After receiving his Bachelor of Laws from Yale Law School in 1949, he was admitted to the Connecticut bar in 1950 and practiced law until 1953, when he joined Catawba as vice President and Director.