Edward Prentiss Costigan (July 1, 1874January 17, 1939) was a Democratic Party politician who represented Colorado in the United States Senate from 1931 to 1937. He was a founding member of the Progressive Party in Colorado in 1912.
Early life and education
Edward Prentiss Costigan was born near Beulahville in King William County, Virginia, on July 1, 1874. In 1877, his parents moved to Lake City, Colorado, and the following year settled in Ouray. His brother, George Purcell Costigan, Jr. was a lawyer, professor, dean, and author. He was elected to the U.S. Senate as a Democrat in 1930. Oscar L. Chapman managed his campaign. He served from March 4, 1931, to January 3, 1937.
Mabel, a member of the National Child Labor Committee advisory council, was particularly concerned about the practice of employing children to work in sugar beet fields.