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Jefferson County, Illinois
Genealogy, History & Facts

Jefferson County, Illinois Facts

Jefferson County

When was Jefferson County, IL Created?
Jefferson County was established on March 26, 1819 from Edwards County and White County. This county was named for Thomas Jefferson (1743-1826), third President of the United States, second Vice President of the United States, Governor of Virginia, and one of the foremost Founding Fathers of the United States.

What is the County Seat of Jefferson County, IL?
The County Seat is located in Mount Vernon also, the county government website is .

What counties are adjacent to Jefferson County, IL?
Bordering Counties are  Marion County (north), Wayne County (northeast), Hamilton County (southeast), Franklin County (south), Perry County (southwest), Washington County (west)

What cities and towns are in Jefferson County, IL?
Cities and towns located in the County include  Centralia, Mount Vernon, Nason, Belle Rive, Bluford, Bonnie, Dix, Ina, Waltonville, Woodlawn.

What Townships are in Jefferson County, IL?
Townships located in the County include Field, Farrington, Elk Prairie, Grand Prairie, Blissville, Bald Hill, Casner, Dodds, Pendleton, McClellan, Moore’s Prairie, Mt. Vernon, Spring Garden, Shiloh, Rome, Webber.

Jefferson County, IL Vital Records

Where can find Jefferson County Birth, marriage, Divorce and Death Records?
Jefferson County vital records can be found at the Illinois Department of Public Health has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Illinois for current fees and application process.

You can search online for Jefferson County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Illinois Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Applications to mail.

Jefferson County, IL Census Records

What Jefferson County, IL census records are available?
There are many types of census records for Jefferson County guide you in researching your family tree. Federal Population Schedules are available for 1820, 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Jefferson Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Jefferson Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Jefferson Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

Jefferson County, IL Courthouse and Government Records

Jefferson County Courthouse

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

  • Jefferson County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 100 S. 10th St., Mt. Vernon, IL 62864
  • Jefferson County Clerk & Recorder of Deeds maintains records and issues certificates of vital statistics (birth certificates, death certificates, and marriage certificates) for the entire County. The Recorder's duties are receiving, filing and maintaining all records related to real property in our county. These documents range from all types of conveyance deeds, mortgages, releases and assignments, property liens, as well as, assorted federal, state and local liens. The Recorder’s office is responsible for the recordation and storage of plats of subdivision, land surveys and monument records. Many other types of miscellaneous documents are recorded, such as; foreign birth certificates, foreign marriage licenses, and military discharge paperwork to name a few.
    • Phone: 618-244-8020
    • Marriage Records: 1819
    • Birth & Death Records: 1877
    • Land Records: 1816
  • Jefferson County Clerk of the Circuit Court, commonly known as the Circuit Clerk, is the keeper of the files and records of the Circuit Court. The Circuit Clerk's Office retains documents some of which include criminal law, chancery, support, probate, adoption, ect....
    • Phone: 618-244-8007
    • Probate Records: 1820
    • Court Records: 1819
  • Jefferson County Treasurer's Office is responsible for the statutory duties required as County Treasurer and as Ex-Officio County Collector of Real Estate Property Taxes and Drainage District Taxes for the entire county.
  • The county archives of the state of Illinois
  • Local Government Records Database - provides a listing of the local governmental records held by the Illinois Regional Archives Depository (IRAD) system
  • BLM Land Records

Jefferson County, IL Societies and Family History Resources

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

Where can I connect with other Jefferson County, IL Researchers through message boards and forums?

What other genealogical resources are available in Jefferson County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Jefferson County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

Jefferson Co. IL Maps, Atlases & Gazetteers

Jefferson Co. IL Books, Newspapers & Publications

Jefferson Co. IL Cemeteries & Church Records

Jefferson Co. IL Family Websites, Pictures & Histories

Jefferson Co. IL General and History Websites

Jefferson Co. IL Military Records

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