Records that survive
These are the record series from Grundy County held by the Illinois Regional Archives Depository (IRAD) system, with the earliest and latest years. A span can include gaps. They include county, township and city records. This county's are held at Illinois State University in Normal.
Marriages, births and deaths
- Marriage Record1841–1923
- Marriage Record Index1841–1903
- Birth Record1877–1905
- Birth Record Index1877–1893
- Death Record1878–1915
- Death Record Index1878–1917
- Death Record, Coroner's1912–1915
Naturalization
- Naturalization Papers, Circuit Court1843–1898
- Naturalization Index Card File, Circuit Court1854–1906
- Naturalization Record, Final, County Court1854–1903
- Naturalization Declarations of Intent, County Court1855–1906
- Naturalization Record, Final, Circuit Court1858–1902
- Naturalization Declarations of Intent, Circuit Court1859–1953
- Naturalization Papers, County Court1860–1906
- Naturalization Record, County Court1864–1906
- Naturalization Papers of Minors, County Court1867–1906
- Naturalization Record, Circuit Court1871–1892
- Naturalization Record of Minors, County Court1875–1903
- Naturalization Record of Minors, Circuit Court1902
- Naturalization Certificate Stubs, Circuit Court1907–1956
- Naturalization Petition Record, Circuit Court1907–1954
- and 1 more series in the full listing
Court records
- Circuit Court Case Files1846–1963
- Jail Reports by Grand Juries1889–1898
Elections and voters
- Election Papers1842–1923
Other records
- State's Attorney Fee, Fine and Forfeiture Reports1873–1902
Search the IRAD database for this county
Source: Illinois State Archives, Local Government Records Database (choose the county to see every series and its accession number). Contact the depository before you visit. Illinois began statewide registration of births and deaths in 1916.
Where to find the records
- Grundy County official website
Hours, addresses and phone numbers for the county clerk, the recorder of deeds and the clerk of the circuit court, and any online record search the county offers.
- The county clerk
Births, deaths and marriages registered in the county.
- The recorder of deeds
Deeds, mortgages and other land records (in some counties the county clerk is also the recorder).
- The clerk of the circuit court
Probate (wills and estates), divorces and civil and criminal cases.
- The Illinois State Archives
In Springfield, with older county records at its regional depositories (IRAD) on university campuses.
- Illinois Regional Archives Depository (IRAD) systemfree
The State Archives' regional depositories, which hold older county, township and city records; search its Local Government Records Database by county.
- FamilySearch Catalogfree
Search by place for "Illinois, Grundy" to find filmed and digitized records, many viewable free online with a FamilySearch account.
Offices change their hours and access rules; call before you visit.
Boundaries and parent counties
Formed from: La Salle County (extinct)
Records stay with the county that created them. If your ancestor lived here before 1841, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.
Research tip
Illinois began statewide registration of births and deaths in 1916; counties kept registers earlier, often from 1877 or 1878. The Illinois Statewide Marriage Index, from the State Archives, covers many marriages from 1763 to 1900.