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Welcome to DeKalb County, Illinois / USGenWeb

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DeKalb County was established on March 4, 1837 from Kane County. Our County Seat is Sycamore Illinois.


DeKalb County Information
Historical DeKalb County Books Online
History of DeKalb County
by Henry Lamson Boies
Past and Present of DeKalb County Vol I
by Professor Lewis M. Gross
The Biographical Record of DeKalb County Illinois
by S. J. Clarke Publishing Company
Hicks Mill-Cronktown 2004 Update
Immanuel Lutheran
Johnson Grove
Waterman/Rose School Houses
1840 Census
1850, 1860, 1880 Mortality Schedules

1855 and 1856 State Census Info
Provided by FamilySearch.org

County Documents
1840-1850 Land Sales
County Business Directory, 1854-1855
One Room School Houses, etc.

Family Trees

Historical Societies
Research Centers



Message Boards
 DeKalb County GenWeb Facebook


Military Resources
Civil War Regiments, Rosters
and Soldier Papers.
1883 Pensioner List.
How to Request Military Service Records

Compiled and submitted by
Melodie Sanders

Link to 1892 DeKalb Chronicle
Submitted by Susan Pieroth

Joiner History Room's online database. Contact them if you can't find what you are looking for.


List of places that no longer exist

Sycamore True
Republican Newspaper

Select the link above.
Select "True Republican" in the "Limit Search by Type" box.
Add your seach criteria in the "Search" field.

Vital Records
Birth, Death, Marriage,
Naturalization, and Probate Records

Nearby County Information

Winnebago/Boone County Birth, Death, and
Marriage Indexes

Provided by the Cherry Valley, IL library


Statewide Information

State of Illinois Archives
State of Illinois Genealogical Records: 
Land, Probate, Military, Census, etc.
Illinois Death
Certificate Index 1916-1950

Search  State of Illinois Archives
Illinois Statewide
Marriage Index 1763-1900
Illinois State Genealogical Society
Non-certified copies of 1916-1947 death certificates, Military Service Certificates

Federal & National Information
Bureau of Land Management
Land Patents 1820-1908 

Although not connected with the federal government, this site can be searched for national information.


Helpful Research Information
From Our Site Users
1880 Census Searches on Ancestry. COM
This tip comes from Martin Johnson who wrote, " The 1880 census county search box will not find counties such as DeKalb and McHenry, etc.  You have to put a space in between E and K in DeKalb (De Kalb) and C and H for McHenry (Mc Henry) , otherwise it won't find anything.  The other Ancestry census indexes use DeKalb and McHenry without spaces."
Elgin Asylum Death Records by Martin Johnson
View and Share Vintage Photos:  The website explains, "by creating a free account on Shorpy (www.Shorpy.com) you can share your own vintage photographs. Visitors to the site are particularly interested in images from the dawn of photography to the 1940s. Best of all, becoming a member is free!"

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This county is currently up for adoption. If you would like to adopt please see this page for further information: Adopt a County!

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