Custer, Wisconsin Custer, Wisconsin Custer is an unincorporated community located in the town of Stockton, in Portage County, Wisconsin, United States. The origin of the communities name is not confirmed but general consensus is it was named after Lt. Col. George Armstrong Custer, who was defeated during the battle of the Little Big Horn in 1876. The Custer post office was established in December, 1876 just six months after the battle of Little Big Horn. The community was originally called "Dawson". The only evidence to where this name came from was an August 8, 1854 land deed marking the sale of a
Battle of the Little Bighorn size of cavalry companies to 100 enlisted men on July 24. The committee temporarily lifted the ceiling on the size of the Army by 2,500 on August 15. As a result of the defeat in June 1876, Congress responded by attaching what the Sioux call the "sell or starve" rider () to the Indian Appropriations Act of 1876 (enacted August 15, 1876), which cut off all rations for the Sioux until they terminated hostilities and ceded the Black Hills to the United States. The Agreement of 1877 (, enacted February 28, 1877) officially took away Sioux land and permanently established