Career
He was elected to the Legislative Assembly of Alberta in a by-election on November 3, 1919 and served until 1926. Moore ran for a seat in the Legislative Assembly of Alberta in a provincial by-election held in the Cochrane electoral district on November 3, 1919. The by-election was called due to the death of speaker Charles Fisher.
He defeated East.V. Thompson a candidate of the governing Liberals in a tough race.
Moore was selected at a nomination meeting held on July 16, 1919, and campaigned in the district well before the writ was dropped. With Moore winning the by-election, he became the first member elected under the United Farmers banner, increasing the United Farmers caucus to three.
Moore would be re-elected in the 1921 Alberta general election. He would serve until 1926 before retiring.