DeKalb County, Illinois Genealogy Guide
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DeKalb County, Illinois (Map It) was created on March 4, 1837 from Kane County. DeKalb County was named for Johann de Kalb (1721–1780), German soldier in the Continental Army who fought alongside Gilbert du Motier, marquis de Lafayette. Learn More About State of Illinois History
DeKalb County is bordered by Boone County (north), McHenry County (northeast), Kane County (east), Kendall County (southeast), LaSalle County (south), Lee County (west), Ogle County (west), Winnebago County (northwest)
DeKalb County Cities, Towns & Villages include Cortland, DeKalb, Genoa, Hinckley, Kingston, Kirkland, Lee, Malta, Maple Park, Sandwich, Shabbona, Somonauk, Sycamore, Waterman.
DeKalb County Townships include Kingston, Genoa, Franklin, Afton, Clinton, Cortland, DeKalb, Pierce, Paw Paw, Mayfield, Malta, Milan, Squaw Grove, South Grove, Shabbona, Somonauk, Sandwich, Victor, Sycamore. View the DeKalb Federal Township Plats of Illinois from 1804-1891.
A DeKalb County, Illinois General Highway Maps includes County, City and Township maps which contains detailed information about roads and boundaries, these maps may include rural communities, churches, and cemeteries.
DeKalb County, Illinois Courthouse Records
DeKalb County, IL Courthouse
Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes. The Clerk's Office DOES NOT DO RESEARCH. The documents are available to interested parties, barring confidential issues. Most staff will assist people in finding the materials, but it is up to the individual to do the research.
The following dates indicates what vital, land, probate, and court records are in DeKalb county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.
- DeKalb County Clerk & Recorder of Deeds has Marriage Records from 1837, Birth & Death Records from 1877 and Land Records from 1838. The County Clerk & Recorder of Deeds maintains records and issues certificates of vital statistics (birth certificates, death certificates, and marriage certificates) for the entire County. The Recorder's duties are receiving, filing and maintaining all records related to real property in our county. These documents range from all types of conveyance deeds, mortgages, releases and assignments, property liens, as well as, assorted federal, state and local liens. The Recorder’s office is responsible for the recordation and storage of plats of subdivision, land surveys and monument records. Many other types of miscellaneous documents are recorded, such as; foreign birth certificates, foreign marriage licenses, and military discharge paperwork to name a few.
- DeKalb County Clerk of the Circuit Court has Probate Records from 1837 and Court Records from 1838. The County Clerk of the Circuit Court, commonly known as the Circuit Clerk, is the keeper of the files and records of the Circuit Court. The Circuit Clerk's Office retains documents some of which include criminal law, chancery, support, probate, adoption, ect....
- DeKalb County Treasurer's Office is responsible for the statutory duties required as County Treasurer and as Ex-Officio County Collector of Real Estate Property Taxes and Drainage District Taxes for the entire county.
- Local Government Records Database provides a listing of the local governmental records held by the Illinois Regional Archives Depository (IRAD) system
DeKalb County, Illinois Census Records
- Learn More: State of Illinois Census Records
- U.S. Federal Population Schedules: 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragmented), 1900, 1910, 1920, 1930, 1940
- U.S. Census Reconstructed Records: Substitutes Index, 1810-1890
- State Population Schedules: 1825-1865
- U.S. Federal Census Mortality Schedules: 1850, 1860, 1870 and 1880
- Selected U.S. Federal Census Agriculture Schedules: 1850, 1860, 1870 and 1880
- Selected U.S. Federal Census Industry Schedules: 1850, 1860, 1870 and 1880
- Union Veterans Schedules: 1890
DeKalb County, Illinois Vital Records
- Learn More: State of Illinois Vital Records
- Birth and Death Records: from January 1916 to present
- Marriage and Divorce Records: from January 1962 to present.
- Locations: Illinois Department of Public Health, Division of Vital Records, 925 East Ridgely Ave., Springfield, IL 62702-2737; (217) 782-6553
- Vital Records Online: USAVital, VitalChek or Social Security Death Index
- Vital Records by Mail: Birth Certificate, Marriage Certificate, Divorce Certificate, Death Certificate Applications.
DeKalb County, Illinois Resources
- State of Illinois Archives and Societies
- RAOGK Volunteers for Illinois
- DeKalb County Historical & Genealogical Society
- Northern Illinois University (NIU), Illinois Regional Archives Depository
- Ellwood House & Museum
- Joseph F. Glidden Homestead & Historical Center
- Gurler Heritage Association
- Kirkland Historical Society
- Kishwaukee Valley Heritage Society
- Malta Historical and Genealogy Society
- Midwest Museum of Natural History
- North Grove School Association
- Marie Louise Olmstead Museum, South Depot Street, Somonauk, IL 60552 815-498-2417
- Regional History Center, Founders Memorial Library
- Sandwich Historical Society & Stone Mill Museum, Sandwich Park District Building Latham and Arnold Street Sandwich, Illinois 60548; Direct Queries to: Joan Hardikopf, 815-786-2513 or Pat Clapper, 815-786-8141
- Sycamore Historical Society & Museum
- Waterman Area Heritage Society
- DeKalb County, Illinois Message Boards
- DeKalb County, Illinois Genealogy Forum
- DeKalb County, Illinois Mailing lists