Buckner was a professional soldier, as was his son. A Confederate General, he also served in the Mexican War.
Cullum Memorial Edition, Register of Graduates and former cadets, United States Military Academy, West Point, 1980, Nos. 1216, 4699; Johnson, Rossiter (ed.), The Twentieth Century Biographical Dictionary of Notable Americans, 10 vols., Boston, 1904, vol. II, p. 30.