The courts divided the county into the following "old" townships from 1821 through 1838. Auxvasse Feb. 12,1821; Cote San Dessein 1821; Round Prairie May 14, 1821; Elizabeth [changed to Fulton 1825 ] May 15, 1821; Nine Mile Prairie May 15, 1821; Cedar November 13, 1824; Bourbon February 21, 1825; Liberty February 24, 1838.

Nine Mile Pairie was erected into a township May 15, 1821 with the following boundaries. "Beginning at the corner of the township line, between 47 and 48, of sections 2,3,34,35, then east in the said township line, until it strikes the western boundary of Auxvasse township, then south with said boundary four miles; then east until it strikes the eastern boundary of the county; then north as far as the jurisdiction of the county extends".

Early settlers in the township included the folllowing families: Anderson; Arnold; Board; Boone; Boswell; Breadwater; Burt; Callerson; Coil; Collins; Cress; Crump; Darby; Dillard; Driskill; Duncan; Everhart; Freeman; Fruite; Grant; Harding; Hamilton; Hays; Hobson; Hughes; Hutts; Jones; Kidwell; Lail; Larch; Manning; Martin; McMahan; Meteer; Overfelt, Palmer; Peters; Robinson; Sayers; Scholl; Todd; Wilburn; Wilkerson; Word; White; Winn and Wren.

Communities in the township included: Shamrock and Williamsburg,