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


Parent County

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

Boundary Changes

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

Illinois State Universtiy
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




Local Histories

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



  • 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.




Vital Records

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


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