William Zimmerman and Mary Hoffman were married February 1 1876 in St. Mathias Catholic Church, Nabob, Town of West Bend, Washington County, Wisconsin. They had five children: Elizabeth (b.1876), Anna (b.1878), Arthur (b.1880), Mathew (b.1881) and Richard (b.1888).
In 1880, William and Mary, with their children Elizabeth, Anna and Arthur, were farming in the Township of Edson, Chippewa County, Wisconsin.1