DeKalb County, Missouri Genealogy

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United States
DeKalb County

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


DeKalb County, Missouri
Map of Missouri highlighting DeKalb County
Location in the state of Missouri
Map of the U.S. highlighting Missouri
Location of Missouri in the U.S.
Founded February 25, 1845
County Seat Maysville
Address DeKalb County Courthouse
109 W Main Street
P O Box 248
Maysville, MO 64469-0248
Phone: 816.449.5402
DeKalb County Website

County Information

DeKalb County, Missouri Record Dates

Beginning Dates for Major County Records[1]
Birth Marriage Death Census Land Probate
1883 1845 1883 1830 1836 1877

County Courthouse

County Recorder has marriage and divorce records; County Clerk has birth records 1880-1902; Probate Judge has probate records.[2]


Johann de Kalb.JPG

The county is named after Revolutionary War hero Johann de Kalb (1721-1780), a German baron.[3]

Parent County

1845 DeKalb County was created 25 February 1845 from Clinton County. County seat: Maysville [4]

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

1878 The Courthouse was destroyed by fire on Christmas night in 1878. Some early records were destroyed.

For suggestions about research in places that suffered historic record losses, see:


Town/city records in the FamilySearch Catalog

Populated Places

Neighboring Counties

Andrew  • Buchanan  • Caldwell  • Clinton  • Daviess  • Gentry

DeKalb CountyDaviess CountyGentry CountyHarrison CountyRay CountyCarroll CountyLivingston CountyGrundy CountyMercer CountyCaldwell CountyClinton CountyClay CountyWorth CountyBuchanan CountyPlatte CountyAndrew CountyHolt CountyNodaway CountyAtchison CountyDoniphan CountyBrown CountyAtchison CountyRichardson CountyMODeKalb.jpg



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


For tips on accessing DeKalb 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.



Local Histories

Local histories are available for DeKalb 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.

  • History of Andrew and De Kalb counties, Missouri : from the earliest time to the present; together with sundry personal, business and professional sketches and family records, besides a condensed history of the state of Missouri, etc. St. Louis, Missouri : Goodspeed Pub. Co., 1888.




Civil War

Online Records


Service men in DeKalb 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 DeKalb County, Missouri:

- Kimball's Regiment, Enrolled Missouri Militia 6 months (Union), Company G
- 1st Regiment, Missouri State Militia Cavalry (Union), Company G
- 4th Regiment, Missouri State Militia Cavalry (Union), Company H
- 6th Regiment, Missouri State Militia Cavalry (Union), Company A
- 6th Regiment, Missouri State Militia Cavalry (Union), Company E
World War II

Naturalization and Citizenship


Additional newspapers abstracts can sometimes be found using search phrases such as DeKalb 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

  • DeKalb County Historical Society
    P.O. Box 467
    116 West Main
    Maysville, MO 64469
    Phone: 816-449-5451
  • Cameron Historical Society
    508 South Walnut Street
    Cameron, MO 64429
    Phone: 816-632-3538

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 DeKalb 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 DeKalb 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 "DeKalb Missouri" and search catalog.
Missouri State Archives Library catalog; from this page you must search "DeKalb County"
See also local libraries and Missouri Archives and Libraries
Social networking sites pertaining to DeKalb County, Missouri Genealogy
Google+ Missouri Genealogy Network Community
Facebook list of groups from "Missouri Genealogy" search DeKalb County Message Board


  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), DeKalb County, Missouri. Page 399 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  3. "Johann de Kalb," Wikipedia.
  4. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  5. Genealogical Society of Utah, Parish and Vital Records List (July 1998). Microfiche. Digital version at