He read law to gain admission to the bar in 1904, thereafter practicing in Jackson.
When Potter ran for election to the seat, his opponent, George H. Ethridge, made several allegations against him, including that he "had promised when accepting the governor's January appointment that he would not be a candidate for a full term", and that Potter only wanted the brief appointment to the court to bolster his reputation in his legal practice.
Ethridge led the vote in the August 15 Democratic primary and won the September 5 run-off by a more substantial margin.
[2] In 1922, Governor Lee M. Russell appointed Potter attorney general of Mississippi, to fill the vacancy caused by the resignation of Frank Robertson.
Potter completed the term and then returned to private practice.