Please add profiles of those who were born, lived or died in Jefferson County, Missouri.

Official Website

The county was organized in 1818 and named in honor of former president Thomas Jefferson.

Adjacent Counties

• Franklin County
• St. Louis County
• Washington County
• Monroe County, Illinois
• St. Francois County
• Ste. Genevieve County

Cities

• Arnold
• Byrne's Mill
• Crystal City
• De Soto
• Festus
• Herculaneum
• Hillsboro (County Seat)
• Kimmswick
• Olympian Village
• Pevely

Other Villages, Townships & Communities: Barnhart, Cedar Hill, Cedar Hill Lakes, Central, Danby, Dittmer, Fletcher, Grubville, Hematite, High Ridge, Horine, House Springs, Imperial, Joachim, LaBarque Creek, Liguori, Mapaville, Meramac, Morse Mill, Murphy, Parkdale, Peaceful Village, Plattin, River View, Rock, Scotsdale, Seckman, Sulphur Springs, Valle, Valles Mines and Windsor

Links

Wikipedia

Middle Mississippi River Nat'l Wildlife Refuge (part)

National Register of Historic Places

Jefferson County Historical Society

MO Gen Web

Genealogy Trails

Jefferson County Online Genealogy

RAOGK

Jefferson County Land Records Index - (1819-1822)

Hearthstone Legacy

New Horizons Genealogy

Forebears.io

My Genealogy Hound