Clay County, Missouri Genealogy

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Template:Missouri-stubUnited States Gotoarrow.png Missouri Gotoarrow.png Clay County

Clay County Courthouse

Clay County Courthouse
1 Courthouse Square
Liberty, MO 64086
Phone: 816.792.7637 

Recorder Deeds has marriage and land records;
Clerk Circuit Court has divorce and court records 
from 1822; Probate Court has probate records[1]


Henry Clay.JPG

The county is named after U.S. Speaker of the House Henry Clay (1777-1852).[2]

Parent County

1822--Clay County was created 2 January 1822 from Ray County.
County seat: Liberty [3]

Boundary Changes

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

Record Loss


Populated Places

Neighboring Counties



Roberts Cemetery, Gallatin BillionGraves


For tips on accessing Clay County, Missouri Genealogy census records online, see: Missouri Census.


LDS Ward and Branch Records

  • Missouri City



Local Histories



Early migration routes to and from Clay County, Missouri Genealogy for European settlers included:


Civil War
Civil War Battle

The following Civil War Battle was fought in Clay County

  • September 17, 1861 = Liberty[6] aslo known as Blue Mills Landing, Blue Mills

Map showing Civil War battles in Missouri




Vital Records


Societies and Libraries 

Liberty Tribune, 1860-1869 and Liberty Weekly Tribune, 1846-1860 Searchable online at the State Historical Society of Missouri’s Digital Collections, Index to Selected Missouri Newspapers.

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

Web Sites

  • USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
  • Family History Library Catalog


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Clay County, Missouri. Page 399 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. "Henry Clay," Wikipedia.
  3. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  4. National Park Service, "(Auto Tour Route) Maps" in Oregon National Historic Trail at (accessed 18 July 2011).
  5. National Park Service, "(Auto Tour Route) Maps" in California National Historic Trail at (accessed 18 July 2011).
  6. Heritage Preservation Services, Civil War Battle Summaries by State, (accessed 15 August 2012)