Cass County, Missouri Genealogy

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United States
Cass County

Guide to Cass County, Missouri ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.


Cass County, Missouri
Map of the U.S. highlighting Missouri
Location of Missouri in the U.S.
Founded March 3, 1835
County Seat Harrisonville
Address Cass County Courthouse
102 E Wall Street
Harrisonville, Mo 64701
Phone: 816.380.8102
Cass County Website

County Information

Cass County, Missouri Record Dates

Beginning Dates for Major County Records[1]
Birth Marriage Death Census Land Probate
1883 1836 1830 1837 1835

County Courthouse

County Clerk has birth records 1861-1896 and court records from 1843; Recorder of Deeds has marriage, divorce and land records; Associate Division has probate records.[2]


Parent County

1835 Cass County was created 3 March 1855 from Jackson County. County seat: Harrisonville. [3] It was originally named Van Buren County. Its name was changed to Cass County in 1848.

Boundary Changes

For animated maps illustrating Missouri county boundary changes, "Rotating Formation Missouri County Boundary Maps" (1804-1889) may be viewed for free at the website.

Record Loss

There is no known history of courthouse disasters in this county.


Town/city records in the FamilySearch Catalog

Populated Places

Neighboring Counties

Bates  • Henry  • Jackson Johnson  • Johnson County, Kansas  • Miami County, Kansas

Cass CountyBates CountyVernon CountySt. Clair CountyHickory CountyBenton CountyHenry CountyLafayette CountyRay CountyPlatte CountyJackson CountyClay CountyJohnson CountyJohnson CountyPettis CountyWyandotte CountyDouglas CountyLeavenworth CountyFranklin CountyAnderson CountyAllen CountySaline CountyLinn CountyBourbon CountyMiami CountyMOCass1.JPG



Tombstone Transcriptions Online Tombstone Transcriptions in Print List of Cemeteries in the county Family History Library
MOGenWeb WorldCat Billion Graves
MOGenWeb Archives
Tombstone Project
Billion Graves
See Missouri Cemeteries for more information.


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


Church records and the information they provide vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Missouri denominations, view the Missouri Church Records wiki page.

City Directories



Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Missouri Land and Property for information about records of land transfers from the government to private ownership. After that transfer, transactions were usually recorded and are currently housed at the county courthouse.

Local Histories

Local histories are available for Cass County, Missouri Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the Wiki page section Missouri Local Histories.

A History and directory of Cass County, Missouri containing a history of the county, its towns, commercial interests, etc. by A.L. Weber (1908) is available online free from Google Books.

  • Kansas City, Missouri : its history and its people, 1808-1908 at ($)
  • A civic history of Kansas City, Missouri at ($)
  • The History of Cass and Bates counties, Missouri : containing a history of these counties, their cities, towns; biographical sketches of their citizens, general and local statistics, history of Missouri. St. Joseph, Mo. : National Historical Co., 1883.
  • Ellsberry, Elizabeth Prather. History and directory of Cass County, Missouri : containing a history of the county, its towns, commercial interests, etc... Harrisonville, Mo. : Cass County Leader, 1908.
  • Glenn, Allen. History of Cass County, Missouri. Topeka, Kansas : Historical Pub. Co., 1917.




Civil War

Online Records


Service men in Cass County, Missouri served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in Cass County, Missouri:

- 12th Regiment, Missouri Cavalry - Confederate, Company K
- 1st Battery, Missouri State Militia Artillery (Union), Company E
- 2nd Battery, Missouri State Militia Artillery (Union), Company A
- 2nd Battery, Missouri State Militia Artillery (Union), Company C
- 2nd Battery, Missouri State Militia Artillery (Union), Company D
- 11th Regiment, Missouri Cavalry State Guard (8th Division) - Confederate, Company A
- 11th Regiment, Missouri Cavalry State Guard (8th Division) - Confederate, Company B
- 11th Regiment, Missouri Cavalry State Guard (8th Division) - Confederate, Company C
- 1st Battery, Missouri Light Artillery - Confederate, Also known as Henry Guibor's Light artillery Battery
- 14th Regiment, Missouri Infantry (Union), Company D
World War II

Naturalization and Citizenship


Additional newspapers abstracts can sometimes be found using search phrases such as Cass County, Missouri Genealogy newspapers in online catalogs like:


Probate records include wills, bonds, petitions, accounts, inventories, administrations, orders, decrees, and distributions. For further information, see United States Probate Records.

In Missouri, probate records have usually been recorded by the clerks of the probate courts, but in some counties the common pleas or circuit courts handled this function. They are frequently indexed.

Online Probate Records


Taxes were levied on free white males over 21 and slaves aged 21 to 60. These persons are referred to as "polls." Tax listings, or digests, of a county generally list the taxable landowners and other polls and the amount of tax. The records for each county are divided by militia district. For more information see the wiki page Missouri Taxation.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths. For additional guidance on researching and using vital records, see United States Vital Records or How to order Missouri Vital Records.

St. Louis and Kansas City recorded births and deaths starting as early as 1850 for deaths and 1870 for births.  The Missouri Department of Health began keeping birth and death records in 1909. County records vary by year and the county. A copy or an extract of most original records can be purchased from the Missouri Vital Records State Department of Health, the County Clerk's office or order electronically online.


Genealogy Societies, Archives and Libraries

  • Cass County Historical Society
    P.O. Box 406
    400 E Mechanic Street
    Harrisonville, MO 64701-0406
    Phone: 816-887-2393

Family History Centers

Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes. See Family History Center for more information. Search the online FHC directory for a nearby family history center.


Sites with online indexes or images of records
Missouri Digital Heritage Free digital images of many types of records from institutions across the State
MOGenWeb Free Data may be submitted by individuals or complete transcriptions
USGenWeb Archives Free Data may be submitted by individuals or may be complete transcriptions
Sites that search for links pertaining to Cass County, Missouri Genealogy
RootsWeb resources Free Data may be submitted by individuals or may be complete transcriptions
Linkpendium Free Click links. Some sites they link to may have fees ($)
CyndisList Free Click links. Some sites they link to may have fees ($)
StateofUS Free family history resources and government records
Missouri Genealogy Free Click links. Some sites they link to may have fees ($)
Major catalogs for hard copy collections of Cass County, Missouri Genealogy
Books, microfilm, or manuscripts of genealogical records
FamilySearch catalog Select topics. To select towns, add a comma to the search box.
WorldCat To find nearby libraries that have specific items, see WorldCat Online Catalog.
Allen County Public Library Major genealogy resource library, located in Indiana. On home page enter "Cass Missouri" and search catalog.
Missouri State Archives Library catalog; from this page you must search "Cass County"
See also local libraries and Missouri Archives and Libraries


  1. Alice Eichholz, Ancestry’s Red Book: American State, County and Town Sources, Revised ed. (Salt Lake City: Ancestry, 1992), 422-438. At various libraries (WorldCat); FHL Book 973 D27rb 1992
  2. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Cass County, Missouri. Page 398 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  3. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  4. Genealogical Society of Utah, Parish and Vital Records List (July 1998). Microfiche. Digital version at