Burial Date: October 13,1949
Location: Mausoleum A-4-1
Miller graduated from Brigham Young University in 1901 and from Cumberland School of Law at Cumberland University in Lebanon, Tennessee, in 1902. He was admitted to the bar and commenced practice in St. Anthony, ID in 1903, and was prosecuting attorney of Fremont County, ID from 1912 to 1914.
Miller ran unsuccessfully for the U.S. House of Representatives in 1914. He was elected Idaho Attorney General in 1932, and reelected in 1934. He was an unsuccessful candidate for the Democratic gubernatorial nomination in 1936, and served for two months in 1938 as Idaho's labor commissioner. He was an unsuccessful Democratic candidate for election in 1938 to the Seventy-sixth Congress. He was an attorney in the Wage and Hour Division of the U.S. Department of Labor at Seattle, WA in 1939 and 1940, and was attorney general of Idaho from 1940 to 1944. He was elected a justice of the State Supreme Court in 1944.
Miller culminated his career by being elected to the United States Senate in 1948, defeating Republican incumbent Henry Dworshak. However, his post was short lived dying just nine months after taking office. Governor C.A.A. Robins appointed Dworshak to succeed him.