Clay County, Missouri Genealogy

United States Missouri  Clay County

History


The county is named after U.S. Speaker of the House Henry Clay (1777-1852).

Parent County
1822--Clay County was created 2 January 1822 from Ray County. County seat: Liberty

Boundary Changes
See an interactive map of Clay County boundary changes at N2Genealogy.

Places/Localities

 * The State Historical Society of Missouri has information on historical Missouri place names for all Missouri Counties.

Neighboring Counties

 * Clinton
 * Jackson
 * Platte
 * Ray
 * Wyandotte County, Kansas

Cemeteries
Roberts Cemetery, Gallatin BillionGraves

Church
LDS Ward and Branch Records


 * Missouri City

Maps

 * Map of Clay County townships (Histopolis)


 * The University of Missouri Digital Library has digital copies of Missouri county plat books (ca. 1930) for all 114 Missouri counties including Clay County. The city of St. Louis is not included in this collection.

Migration
Early migration routes to and from for European settlers included:


 * Missouri River
 * Oregon Trail 1830s from western Missouri to Oregon City, Oregon
 * California Trail 1846 from western Missouri to northern California

Deaths

 * Missouri State Archives provides on-line access to Missouri Death Certificates more than 50 yrs old starting in 1910.

Smithville Historical Society
Smithville is located in both Clay and Platte counties. There are a number of resources available on their website.

Family History Centers

 * Introduction to LDS Family History Centers
 * Liberty Missouri Family History Center

Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.