Welcome to Lake County Illinois History and Genealogy Presented by Illinois Genealogy Trails a part of the Genealogy Trails History Group

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 Lake County is the farthest northeast county in the U.S. state of Illinois

Originally part of McHenry County, the townships comprising Lake County were carved out into a separate county in 1839

Cities, Villages and CDP's
* Antioch * Barrington - partly in Cook County  * Barrington Hills - partly in Cook, Kane and McHenry County
* Bannockburn * Beach Park * Buffalo Grove - partly in Cook County  * Channel Lake * Deerfield - partly in Cook County
* Deer Park - partly in Cook County * Forest Lake  * Fox Lake - partly in McHenry County * Fox Lake Hills
* Fox River Grove - primarily in McHenry County * Gages Lake * Grandwood Park * Grayslake * Green Oaks *
* Gurnee * Hainesville * Hawthorn Woods * Highland Park * Highwood * Indian Creek * Ingleside *
Island Lake - partly in McHenry County * Kildeer * Lake Barrington * Lake Bluff * Lake Catherine * Lake Forest * Lake Villa * Lake Zurich *
Lakemoor - partly in McHenry County * Libertyville * Lincolnshire * Lindenhurst * Long Grove * Long Lake * Mettawa * Mundelein *
North Barrington * North Chicago * Old Mill Creek * Park City * Port Barrington - partly in McHenry County * Riverwoods
* Round Lake  * Round Lake Beach * Round Lake Heights * Round Lake Park * Third Lake   * Tower Lakes *
Venetian Village * Vernon Hills * Volo * Wadsworth  * Wauconda * Waukegan * Winthrop Harbor * Zion

The County's Courthouse is located at:
Lake County Courthouse
18 North County Street
Waukegan, IL 60085

 

Online Records
Biographies	Birth Records
Cemeteries	Census Records
Church Histories / Records	County Records
Death Records	Family Bibles and Records
History Topics	Marriage Records
Military Records	Miscellaneous Data
News Gleanings	Obituaries and Death Notices
School Records	Wills/Probate Records
Website Updates: July 2023: Names inscribed from War Memorials Obit from HITCHCOCK Marriage News:  HAUSER-KIRK, MCGREGOR-SUTHERLAND, SCHUENEMANN-FEGEL, EARLE-BIDDLECOME, THAIN-HOWARD Crime News:  WEST PREVIOUS UPDATES

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Visit the Surrounding Counties

* Kenosha County, Wisconsin - north
* Allegan County, Michigan - northeast
* Van Buren County, Michigan - east
* Berrien County, Michigan - southeast
* Cook County, Illinois - south
* McHenry County, Illinois - west



At the Illinois State Genealogy Trails Page, you will find much more data, including: