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
Great Sioux War of 1876 staff and the Dakota Column infantry, reached the area and rescued the US survivors of the Reno-Benteen fight. Gibbon then headed his forces to the east, chasing trails but unable to engage the Sioux and Cheyenne warriors in battle. Reinforced with the Fifth Cavalry, General Crook took to the field. Hooking up briefly with General Terry, he soon moved out on his own but did not find a large village. Running short on supplies, his column turned south and made what became called the Horsemeat March toward mining settlements to find food. On September 9, 1876, an advance company from