DeKalb County, Illinois Genealogy Guide

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, Illinois Courthouse
DeKalb County, IL Courthouse

The DeKalb County Courthouse is located in Sycamore, Illinois. Learn More About State of Illinois Court, Tax, Land and Probate Records.

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

DeKalb County, Illinois Vital Records

DeKalb County, Illinois Resources

DeKalb County, Illinois External Links