Kammala wannan jumla: Bush ya kasance wakili mai maye gurbin taron Jam'iyyar Republican na 1940, kuma wakili ne a taron 1944,
1948 da kuma 1952 Republican National Conventions. A cikin 1952 na farko da aka zaɓa a kan Hamilton Fish III an gan shi a matsayin kuri'a ga Dwight D. Eisenhower a kan Robert A. Taft, ko da yake Bush ba shi da wata hanyar da za ta yi zabe ga Eisenhower.