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Warren County, Missouri
Genealogy, History & Facts

Warren County, Missouri Facts

Warren County

When was Warren County, MO Created?
Warren County was created on January 5, 1833 from Montgomery County. The county was named in honor of Joseph Warren (1741–1775), Revolutionary War doctor and general .

What is the County Seat of Warren County, MO?
The County Seat is located in Warrenton and in addition the county government website is

What counties are adjacent to Warren County, MO?
Bordering Counties are Lincoln County (north), St. Charles County (east), Franklin County (south), Gasconade County (southwest), Montgomery County (west).

What cities and towns are in Warren County, MO?
Cities and towns located in the County include Aspenhoff, Dutzow, Foristell, Innsbrook, Marthasville, Minden, Pendleton, Treloar, Truesdale, Warrenton, Wright City.

Warren County, MO Vital Records

Where can find Warren County Birth, marriage, Divorce and Death Records?
Warren County vital records can be found at the Missouri Office of Vital Records has copies of birth and death records reported from January 1, 1910. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Missouri for current fees and application process.

You can search online for Warren County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Missouri Birth and Death CertificateMarriage and Divorce Certificate Application to mail.

Another resource is the Warren County Health Department has Birth Certificates since 1920 and Death Certificates since 1980.

Warren County, MO Census Records

What Warren County, MO census records are available?
There are many types of census records for Warren County guide you in researching your family tree. Federal Population Schedules are available for 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Warren Co. Slave Schedules is available for 1850 & 1860. Warren Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Warren Co. Industry and Agriculture can be found for 1850, 1860, 1870 and 1880. Warren Co. Union Veterans Schedules can be acquired for 1890. There are free down-loadable and printable census forms to help you with your research. See Also Missouri Census Records Research Guide

Warren County, MO Courthouse and Government Records

Warren County Courthouse

What genealogical records can I find in the Warren County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Warren County. The years listed below are the first noted records with this county. See Also Missouri Corthouse Records Research Guide.

  • Warren County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 104 W. Main, Warrenton, MO 63383
  • Warren County Recorder of Deeds is the place where all transactions having to do with land are recorded and kept on file. They take marriage license applications, issues marriage licenses, files the license after the marriage, and maintains a permanent record of the marriage, surveys and plats of subdivisions, Armed Forces discharge papers for all veterans who reside in the county. Some naturalization records have been found with the deeds.
    • Phone: (636) 456-9800
    • Marriage Records: 1833 (including Marriage records, 1833-1915; Application for marriage licenses, 1901 -1920) 
    • Land Records: 1833 (including Index to deeds, 1833-1886; Deed records, 1833-1938) 
  • Warren County Circuit Court Clerk / Probate Court Clerk has the direct index to records such as divorces, adoptions, judgment, and tax fee books including direct and indirect indexes. They also retain the index to criminal records and criminal files of the circuit court. Adoptions are under the jurisdiction of the circuit court. Naturalization records, including petitions, declarations of intention, certificates, and certificates of allegiance, and granting of citizenship are also located in the clerk's office, as well as an index to civil case files. The County Probate Division has jurisdiction over the estates of deceased persons. The Division hears all litigation involving trusts, including those trusts established in wills. (In the smaller counties, probate matters are handled in the same office as the associate circuit court office)
    • Phone: (636) 456-3363
    • Probate Records: 1833  (including Probate records, 1833-1889; Settlement records, 1868-1896; Guardian’s/curator’s records, 1885-1888; Will records, 1833-1918) 
    • Court & Divorce Records: 1833 (including Circuit court records, 1833-1886) 
  • Warren County Clerk of the Court has indexes to common pleas, records of all extant proceedings, chancery minute books, records of births and deaths, county court records, right-of-way and road records, as well as surveyor's records (including field notes and plats made by the county surveyor). This office usually holds the county treasurer's notes, bonds and commissions, records of marks and brands, wolf scalps, stray notices, real estate assessments, and tax books. In some counties, early terms for this court included “Chancery” or the “Court of Common Pleas.”
    • Phone: (636) 456-3331
    • Birth & Death Records: 1884–94 (including Permanent record of births, 1883-1888; Register of births and stillbirths, 1883-1889; Permanent record of deaths, 1884-1894; Register of deaths, 1883-1889) 
  • Warren County Tax Assessor Office is responsible for appraising and assessing real estate property and person property for the purpose of taxation as well as transferring ownership of real estate, and keeping real estate maps up to date.
  • Local Records Inventory Database
  • State-Issued Land Patents 1831 - 1969
  • BLM Land Records

Warren County, MO Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Warren County, MO?
A list of Warren County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Missouri Archives, Historical & Genealogical Societies.

Where can I connect with other Warren County, MO Researchers through message boards and forums?

What other genealogical resources are available in Warren County, MO?
The following are web links to Genealogy, Records and Resources pertaining to Warren County. A majority of these genealogy links fall into 3 categories: Business Sites, Private Sites or Organization Sites. Some have free access some have to have a payment. This is just a directory which has been gathered or submitted. I do not endorse or promote one genealogy site above another.

Warren Co. MO Maps, Atlases & Gazetteers

Warren Co. MO Books, Newspapers & Publications

Warren Co. GA Cemeteries & Church Records

Warren Co. MO Family Websites, Pictures & Histories

Warren Co. MO General and History Websites

Warren Co. MO Military Records

Warren Co. MO Schools & Directories

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