Mercer County, Illinois
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Mercer is a county in Illinois. It was formed in 1825 (1835) from the following county/ies: unorganized (Pike)/*Schulyer/*Peoria/*Warren. Mercer began keeping birth records in 1877, marriage records in 1835, and death records in 1877. It began keeping land records in 1834, probate records in 1837, and court records in 1836. For more information, contact the county at 604 NE 5th Ave./P.O. Box 66, Aledo 61231. On the attached map, Mercer is located at C3.
For information about the state of Illinois see Illinois Family History Research.