On October 21, 1827, Dighton was born to Isaac and Nancy Corson in Canaan, Maine. He would live in Milwaukee, Wisconsin and Virginia City, Nevada before eventually moving to South Dakota. Corson married Elizabeth Hoffman. On May 7, 1915, he died in Pierre, South Dakota. Corson County, South Dakota is named for him.
On May 31, 1861, D. Corson and family left New York City aboard the steamship North Star. (SF Bulletin, 6/6/61, p. 2 col. 1) On December 13, 1861, he was appointed as the first District Attorney for the First Judicial District of Nevada Territory.
Corson was a member of the Wisconsin State Assembly in 1858. In 1859, he was District Attorney of Milwaukee County, Wisconsin. He was a delegate to the South Dakota State Constitutional Convention in 1885 and 1889 and would serve as a Justice of the South Dakota Supreme Court from 1889 to 1913.
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