Edward Prentiss Costigan (1 July 1874 – 17 January 1939) was a Democratic US Senator from Colorado from 4 March 1931 to 3 January 1937, succeeding Lawrence C. Phipps and preceding Edwin C. Johnson.
Biography[]
Edward Prentiss Costigan was born in Beulahville, King William County, Virginia in 1874, and his family settled in Lake City, Colorado three years later and settled in Ouray in 1878. Costigan attended Denver public schools and became a lawyer there in 1900, and he fought for honest elections after his election to the State House in 1902 was contested and invalidated. He cofounded the Bull Moose Party in Colorado in 1912, and he served on the United States Tariff Commission from 1917 to 1928. Costigan became a Democrat after the Bull Moose Party's collapse, and he served in the US Senate from 1931 to 1937 and supported anti-lynching laws. He died in 1939.