Sioux K. Grigsby

Sioux Kingsbury Grigsby (December 25, 1873 – August 21, 1968) was an attorney and politician in the United States state of South Dakota. Grigsby was born into a prominent pioneering family, Kingsbury family in South Dakota and set up a law practice which he would maintain for over 60 years. Grigsby served as state representative, state senator, and Lieutenant Governor of South Dakota from 1945 to 1949.

Early life and education Grigsby was born in Sioux Falls in 1873 in what was then the Dakota Territory. His father was Colonel Melvin Grigsby, an American Civil War and Spanish–American War veteran who wrote a book about his experiences escaping from Confederate captivity called The Smoked Yank. Grigsby attended public schools followed by the University of South Dakota. His mother was Fannie Louise Kingsbury, originally of New York and of the prominent Kingsbury family for which Kingsbury County, South Dakota is named. Sioux also had a sister, Frances Louise Grigsby (later Mrs. George Edwin Robinson). Grigsby attended public schools followed by the University of South Dakota. Active in the Minnehaha County, South Dakota, American Bar Associations and state Taxpayers' Association, Grigsby was one of the more well-known Republicans in South Dakota, even being crowned "Mr. Republican" of the state in 1955. He had previously retired from his law practice in 1966, after nearly 70 continuous years of practice, due to poor health. Sioux was survived by his wife Anna, daughter Suzanne, and son William. An obituary of him at the time lauded him in that "his career ... [had] paralleled the development of his city and state".