Tazewell County, Illinois Genealogy

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Tazewell County, Illinois
Boundary map of Tazewell County, Illinois
Map of the U.S. highlighting Illinois
Location of Illinois in the U.S.
Founded: January 31, 1827
County Seat Pekin
Address McKenzie Building, 2nd Floor
4th and Court Streets
Pekin, IL 61554
Website: www.tazewell.com
Named for: Lyttleton W. Tazewell

Template:Illinois-stubUnited States Gotoarrow.png Illinois Gotoarrow.png Tazewell County

County Courthouse


The county was named for Lyttleton W. Tazewell, and iminent lawyer, Governor, Representative in Congress, and United States Senator from Virginia

Parent County

  • 1827--Tazewell County was created 31 January 1827 from Sangamon County.  County seat: Pekin [1]

Boundary Changes

1825-1827 Peoria

1821-1825 Sangamon

1817-1821 Bond

1812-1821 Madison

1790-1812 St. Clair

1790-1801 Knox. Northwest Territory

Record Loss

Places / Localities

Populated Places

Neighboring Counties


African American

The following have information concerning African American research.

Archives and Libraries

Illinois Regional Archives Depository (IRAD)

Illinois State Universtiy (ISU)
2016 Warehouse Road Campus
Box 1520
Normal, Illinois 61802
Phone: 309-452-6027

Illinois Regional Archives Depository System - Local Governmental Records Listings Arranged by County


Cemetery records often identify birth, death, relationship, and military information, as well as religious affiliation.

  • Find A Grave can be searched by the name of a person or family to find where a person is buried. Usually gives birth and death dates often with a picture of the tombstone.  May give obituaries,names of family members and links to their information in Find A Grave.


Historical populations
Census Pop.
IL Counties 1900-1990



1837-1859 Circuit Court Dockets IRAD-ISU


1850-1863 Swamp Land Record IRAD-ISU

Local Histories

  • Early History of Washington, Illinois and Vicinity. Washington, Ill.: Tazewell County Reporter, 1929. Digital version at Ancestry ($).



1861-1862 Militia Roll Record - IRAD-ISU

1864-1949 Military Discharge Record  IRAD-ISU

  • Civil War
    Civil War service men from Tazewell County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies or regiments that were formed from men of Tazewell County.

- 31st Regiment, Illinois Infantry, Company I.
- 44th Regiment, Illinois Infantry, Companies A and K.
- 73rd Regiment, Illinois Infantry, Company B.
- 85th Regiment, Illinois Infantry, Companies A and E.
- 86th Regiment, Illinois Infantry, Company G.
- 94th Regiment, Illinois Infantry, Company I.
- 100th Regiment, Illinois Infantry, Company A.


1839-1892 Naturalization Declarations of Intent, Circuit Court IRAD-ISU

1866-1903 Naturalization Declarations of Intent, County Court IRAD-ISU

1856-1906 Naturalization Papers, County Court IRAD-ISU

1867-1888Naturalization Record of Soldietrs and Minors, Circuit Court IRAD-ISU

1903-1906 Naturalization Record, County Court IRAD - ISU

1858-1886 Naturlaizatrion Record, Final, Circuit Court IRAD-ISU

1876-1903 Naturalization Record, Final, County Court IRAD-ISU



1912-1924 Probate Record IRAD-ISU


Vital Records


1858-1916 Birth Record Index IRAD-ISU

1877-1916 Birth Record IRAD-ISU


1827-1922 Marriage Record Index IRAD-ISU

1827-1922 Marraige Record   IRAD-ISU


1877-1954 Death Record Index  IRAD-ISU

1877-1914 Death Record IRAD-ISU

1915-1934 Death Record, Coroner's IRAD-ISU

1869-1964 Corner's Inquest Record IRAD-ISU

Societies and Libraries

Tazewell County Genealogical and Historical Society was established in 1978 with the following mission: "to stimulate interest, to collect, preserve, and safeguard records, and to provide related educational services for the purpose of increasing and enriching public knowledge of our [Tazewell County] heritage." We currently (2011) have about 400 members.

Our library (the Ehrlicher Research Center) is located at 719 N Eleventh Street in Pekin, Illinois. The library is open Monday 9 am-1 pm, Tuesday 9 am-1 pm and 7-9 pm, Wednesday 9 am-4:30 pm, Thursday-Friday 9 am-1 pm, and Sunday 2-4:30 pm central time (closed on holidays and holiday weekends). We will also try to open at other times by advance appointment.

Our collection currently contains over 5000 volumes including family histories; county histories; atlases; cemetery books; marriage books, census records, newspapers on microfilm; funeral home records; surname card file; surname correspondence files; obituary index; church directories; historic photo collection; research publications from surrounding counties of McDonough, Fulton, McLean, Mason, Menard,and Peoria as well as other Illinois counties and other states; Civil War Records including "The War of the Rebellion. A Compilation of the Official Records of the Union and Confederate Armies, 128 Volumes. Washington. 1882-1900". Our German collection including a complete set of "Germans to American" and Ostrfriesland OSB books is one the largest in the state of Illinois.

We also offer research services for those that can't make the trip to our library.Web Sites


Databases Pertinent to Tazewell County
Local Governmental Records Database
Name Index to Illinois Local Governments
Illinois Statewide Marriage Index
Illinois Statewide Death Index, 1916–1950
Illinois Public Domain Land Tract Sales Database
Federal Township Plats of Illinois


  1. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).