In 1929 , O'Mahoney was elected a Democratic national committeeman , serving until 1934 . He was a delegate to the 1932 Democratic National Convention in Chicago , Illinois , where he was a member of the subcommittee which prepared the party 's platform . After the convention , he became vice-chairman of the campaign committee . Following the election of Franklin D. Roosevelt , DNC chairman James Farley was selected as U.S. Postmaster General . As a reward for his work at the 1932 convention , O'Mahoney was appointed by Farley to be the First Assistant Postmaster General , serving from March to December 1933
1932 Democratic National Convention
1932 Democratic National Convention
Joseph C. O'Mahoney