WELCOME TO

JEFFERSON COUNTY
ILLINOIS TRAILS HISTORY AND GENEALOGY

http://www.iltrails.org/jefferson

Welcome to Jefferson County Illinois Trails!

This County is currently unhosted. If you have an interest in adopting this County, please refer to our Volunteer Information page, then contact Susan, your Southern Trails Coordinator.

If you have data you would like to share on this website, email
Susan

Jefferson County Illinois
Established March 26, 1819

Named after Thomas Jefferson, third President of the United States (1801–1809) and author of the Declaration of Independence.

Jefferson County Research Help

Illinois Trails Research Help Page

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Jefferson County Courthouse
100 S. 10th Street
Mt. Vernon, IL 62864

Telephone:
County Clerk (618) 244-8020
Circuit Clerk (618) 244-8007
Recorder (618) 244-8020

IRAD Depository
c/o Special Collections
Morris Library–6632
Southern Illinois University
Carbondale, IL 62901

Telephone: (618) 453-3040

Please check the time your ancestor was in Jefferson County as the present area, or parts of it, were formerly included in the following Counties (links to these Couties are provided below)
:
1815–1819
Edwards
1815–1819
White
1812–1815
Gallatin
1795–1813
Randolph
1790–1803
St. Clair
1790–1801
Knox, Northwest Territory


Jefferson County Data Found at Illinois Trails

The 1820 Jefferson County Index

The 1850 Jefferson County Mortality Schedule

Jefferson County Folks in our State Military Databases
All Conflicts and Rosters Online!

Jefferson County Folks in Our State Databases
Convicts, Mining, Maps, History, Names!

Illinois Trails State-wide Census
state-wide census and mortality schedules!

Illinois Trails - Mining History in Illinois
Mining accidents and victims names

Return To The Southern Trails Index

Visit our Main Illinois Trails page

Visit Jefferson County ILGenWeb
Misty Flannagan and Cindy Ford have provided lots of data!

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http://www.iltrails.org