Grundy County, Illinois Genealogy

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Grundy County, Illinois
Boundary map of Grundy County, Illinois
Map of the U.S. highlighting Illinois
Location of Illinois in the U.S.
Founded: February 17, 1841
County Seat Morris
Address Grundy County Courthouse
111 East Washington Street
Morris, Illinois 60450
County Clerk and Recorder
P.O. Box 675
Morris, Illinois 60450
(815) 941-3222/3224
Clerk of the Circuit Court
(815) 941-3265
Named for: Felix Grundy
Felix Grundy.JPG

Template:Illinois-stub United States Gotoarrow.png Illinois Gotoarrow.png Grundy County


The county is named after U.S. Attorney General Felix Grundy (1777-1840).[1]

Parent County

1841--Grundy County was created 17 February 1841 from La Salle County.
County seat: Morris [2]

Boundary Changes

1831-1841 LaSalle

Southeastern Part

1826-1831 Vermilion
1823-1826 Edgar
1819-1823 Clark

Southwestern part

1827-1831 Tazewell
1821-1826 Fayette

North of Illinois River

1825-1831 Putnam
1823-1825 Fulton
1821-1823 Pike
1819-1823 Clark
1816-1819 Crawford
1915-1816 Edwards
1812-1815 Madison
1801-1812 St. Clair
1790-1801 Knox, Northwest territory

Record Loss

Places / Localities

Populated Places

Coal City, Diamond, Gardner, Minooka, and Morris

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


Illinois 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.
  • Find A Grave also gives a list of cemeteries in Grundy County and links to the  information for the individuals buried there.
  • Grundy Co. IL USGenWeb Tombstone Project usually gives the names of the deceased in alphabetical order by last name with birth and death dates plus any remarks.
  • Illinois Cemeteries by county.
  • There may be some books that list records of cemeteries in Clinton County on Google Books or available at public libraries.
  • ePodunk list of Grundy County cemeteries gives the names of the cemeteries in the county with a link to more information such as address, phone number, and web site.


Historical populations
Census Pop.
For tips on accessing census records online, see Illinois Census.



1846-1963 Circuit Court Case Files IRAD-ISU Search for Grundy County. How to use IRAD


Mixed Land Records, 1832-1902 original in the Grundy County Courthouse. 43 films. FHL Film 1412206 first film

Local Histories



  • Civil War
    Civil War service men from Grundy 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 Grundy County.
- 53rd Regiment, Illinois Infantry, Company B.
- 55th Regiment, Illinois Infantry, Company I.
- 76th Regiment, Illinois Infantry, Company C.
- 91st Regiment, Illinois Infantry, Company D.


Grundy, Will, La Salle and Kendall Counties: 1840-1879 Deaths, Marriages, Births as Extracted from Area Newspapers. by Becki Leucht. FHL Collection item 2 or Book 977.32 V2L



Vital Records


The original Grundy County birth records 1877-1905 are housed at the County Clerk office. The following copies are available:

1877-1893 Birth Record Index IRAD-ISU Search for Grundy County Records. How to use IRAD

1877-1905 Birth Records IRAD-ISU

1877-1905 Births records and index - FHL Film 1415754 Items 2-4.


The original Grundy County marriage records 1841- 1923 are housed at the County courthouse. The following copies are available:

1841-1903 Marriage Records Index IRAD-ISU Search for Grundy County Records. How to use IRAD.

1841-1923 Marriage Records IRAD-ISU

1841-1923 Marriage records - FHL Films 1415755 and 1415756 item 4 -6 and 1415756 Item 1-4


The original Grundy County marriage records 1847-1901 are housed at the County Courthouse. The following copies are available:

1878-1904 Death Record Index IRAD-ISU Search for Grundy County Records. How to use IRAD.

1878-1901 Death Record IRAD-ISU

1878-1901Death Registers and index - FHL Collection item 1-3

Societies and Libraries

Web Sites

Databases Pertinent to Grundy 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. "Felix Grundy," Wikipedia.
  2. The Handybook for Genealogists: United States of America, 10th ed. (Draper, UT: Everton Publishers, 2002), 194. (FHL Collection Ref Book 973 D27e 2002). WorldCat entry.