Hickok's family emigrated from England in 1635 to Troy Grove Illinois where his family served as an Underground Railroad stop.Hickok left home at age seventeen and worked as a canal boat pilot in Utica Illinois.Hickok joined an antislavery Free State Army of Jayhawkers.Hickok prevented a man from beating up an eleven-year-old Buffalo Bill, at the time.In 1858, Hickok's growing reputation earned him a position as a constable in Monticello, Kansas.
In 1876 Hickok married Agnes