Lake County, Illinois Genealogy Guide

Lake County, Illinois (Map It) was created on March 1, 1839 from McHenry County. Lake County was named for Lake Michigan . Learn More About State of Illinois History

Lake County is bordered by  Kenosha County, Wisconsin (north), Allegan County, Michigan (northeast), Van Buren County, Michigan (east), Berrien County, Michigan (southeast), Cook County (south), McHenry County (west)

Lake County Cities, Towns & Villages include  Waukegan, North Chicago, Highland Park, Zion, Lake Forest, Park City, Highwood, Buffalo Grove, Mundelein, Gurnee, Round Lake Beach, Libertyville, Vernon Hills, Grayslake, Deerfield, Lake Zurich, Lindenhurst, Barrington, Beach Park, Wauconda, Fox Lake, Antioch, Island Lake, Long Grove, Winthrop Harbor, Lincolnshire, Lake Bluff, Round Lake Park, Hawthorn Woods, Lake Villa, Round Lake, Fox River Grove, Lake Barrington, Barrington Hills, Riverwoods, Green Oaks, Kildeer, Deer Park, Wadsworth, North Barrington, Lakemoor, Hainesville, Bannockburn, Third Lake, Round Lake Heights, Tower Lakes, Port Barrington, Mettawa, Old Mill Creek, Indian Creek, Volo.

Lake County Townships include  Libertyville, Lake Villa, Ela, Fremont, Grant, Benton, Antioch, Avon, Cuba, Moraine, Newport, Shields, Vernon, West Deerfield, Warren, Waukegan, Wauconda, Zion. View the Lake Federal Township Plats of Illinois from 1804-1891.

A Lake 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.

Lake County, Illinois Courthouse Records

Lake County, Illinois Courthouse
Lake County, IL Courthouse

The Lake County Courthouse is located in Waukegan, Illinois. Waukegan was originally named Little Fort until 1849. 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 Lake 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.

  • Lake County Clerk has Marriage Records from 1839 and Birth & Death Records from 1877. The County Clerk maintains records and issues certificates of vital statistics (birth certificates, death certificates, and marriage certificates) for the entire County.
  • Lake County Recorder of Deeds has Land Records from 1839. The County Recorder of Deeds serves the people of County by 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.
  • Lake County Clerk of the Circuit Court has Probate Records from 1839 and Court Records from 1840. 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....
  • Lake 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

Lake County, Illinois Census Records

Lake County, Illinois Vital Records

Lake County, Illinois Resources

Lake County, Illinois External Links