Genealogy & Local History

Database Name Description Click to use at home Click to use at the library
Ancestry A subscription-based genealogy research website with over 5 billion records online and more being added almost daily.
Heritage Quest Online A comprehensive treasury of American genealogical sources including U.S. census data, PERSI, Revolutionary War records, bank records, and more.

Book an appointment with one of our trained librarians for one-on-one training and assistance with any of our databases or on-line services. Use our computers or bring in your own laptop. Call 847-918-3225 or stop by any of our service desks to schedule an appointment.

Lake County Genealogical Society

The Lake County Genealogical Society Research Facility is located in the lower level of the Vernon Hills Village Hall, which is located at 290 Evergreen Drive, Vernon Hills, Illinois 60061. The research room is staffed by volunteers, so please call ahead (847-918-3584) before making a visit.

Find more information at the Genealogy Room web site.

The Lake County (IL) Genealogical Society (also known at LCIGS) was formed in 1978 with the intent to assist those interested in researching their family history.

Lake County Genealogy Sites

There are three web sites and one mailing list specifically for Lake County, Illinois. They complement one another and you should use all of them. There is now and always will be some overlap. The web sites are always being updated so be sure to check out each one of them often.

Lake County (IL) Genealogical Society web site

  • What is available in old fashioned materials such as books, manuscripts, and microforms
  • Addresses for libraries and other repositories where these materials may be found, and
  • Relevant indexes, records or databases to help you determine which sources will be of help to you.

Lake County Genealogy web site. Here you can add your surnames and other information about Lake County and/or your ancestors. The queries archive is at this site but queries are now hosted by Rootsweb.

Zion Genealogical Society web site. This site concentrates on people and events in and around the Zion area.


The Research Facility offers hundreds of periodicals, reference materials, microfiche and microfilm. More information about particular holdings can be found on the LCIGS Genealogy Room page.
The collection includes:

  • Illinois Census records, including all Lake County records to date
  • Family histories
  • Lake County Probate Index & records (on microfilm)
  • Lake County Yearbooks
  • Quarterly Newsletters from across the country
  • An extensive Lake County obituary file

For those specifically researching Lake County relatives, Fremont Library has useful materials in its own collection in the main library.  See some of them on the library's Local History page.


The Society has monthly meetings with informative speakers on all aspects of genealogical research. The most recent list of topics and speakers can be found on the LCIGS Meetings page.

Research Trips

The Society periodically offers trips to research facilities such as the State Historical Library in Madison, Wisconsin, and the Newberry Library in Chicago, Illinois. Information about any upcoming trips will be on the LCIGS News page.


The Society also conducts an annual genealogical workshop at the College of Lake County. Several noted genealogical speakers conduct seminars and vendors offer genealogical material for sale.

See Workshop for more information.