Jefferson County, Missouri
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Jefferson is a county in Missouri. It was formed in 1818 from the following county/ies: St. Louis/Ste. Genevieve. Jefferson began keeping birth records in 1883–92, marriage records in 1825, and death records in 1883–92. It began keeping land records in 1819, probate records in 1820, and court records in 1819. For more information, contact the county at Hillsboro 63050. On the attached map, Jefferson is located at E7.
For information about the state of Missouri see Missouri Family History Research.