Pioneers of Shelby County, Missouri:
https://raogk.org/missouri/shelby-county/
Shelby County, Missouri (Map It) was created on January 2, 1835 from Marion County. The county was named in honor of Isaac Shelby (1750–1826), the first and fifth Governor of the U.S. state of Kentucky.
Shelby County is bordered by Knox County (north), Lewis County (northeast), Marion County (east), Monroe County (south), Macon County (west).
Shelby County Cities and Towns include Bethel, Clarence, Emden, Hunnewell, Lentner, Leonard, Shelbina, Shelbyville.
A Map of Shelby County, Missouri contains detailed information about roads and boundaries, these maps may include
https://www.familysearch.org/en/wiki/Shelby_County,_Missouri_Genealogy