Williamson County, Illinois
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Williamson is a county in Illinois. It was formed in 1839 from the following county/ies: Franklin. Williamson began keeping birth records in 1877, marriage records in 1839, and death records in 1877. It began keeping land records in 1818, probate records in 1839, and court records in 1840. For more information, contact the county at |200 W. Jefferson, Marion 62959. On the attached map, Williamson is located at K5.
For information about the state of Illinois see Illinois Family History Research.