Home     About     Membership     JCGS Store Merchandise     Resources     Education     Contact Us!

Upcoming Events


JCGS Family History Fair

Member's Area


Volunteer Board

We'd love to hear from you!

Request Assistance

Contact Us!

Jefferson County Genealogical Society
PO Box 1342
High Ridge, MO 63049
(636) 212-5667

Visit our collection & library holdings at the
Northwest Branch
Jefferson County Library Hwy PP, High Ridge, MO

Click for High Ridge, Missouri Forecast









Celebrate 20 years of Jefferson County Genealogical Society

Please check out the updated calendar.


Begin your search of the 1940 US Census.

Learn more regarding how to search this census by visiting the National Archives.

Here's a few additional references to help you prepare for this upcoming resource.
1940 Census information
Census questions asked during 1940
1940 Census ---

We offer many resources to help with your genealogy research in Jefferson County, Missouri.
Plan a visit or request a search of the collection.

Share your family history through stories and photos with our
our newest project for publication regarding Jefferson County History.
See the Volunteer Board for more details on this and other society projects.


Visit some of the historic sites in the area!



Thank you for visiting!