Mercer County IL Immigration Records
USA (1,111,104) > Illinois (47,717) > Mercer County (247) > Mercer County Immigration Records (2)
USA (1,111,104) > Illinois (47,717) > Illinois Immigration Records (457) > Mercer County Immigration Records (2)
Note: This page primarily lists records kept at the county level. Statewide collections are found on the Illinois Immigration Records page.
Mercer County Immigration Records
Illinois, Federal Naturalization Records, 1856-1991 Ancestry
US Naturalization Record Index, Northern Illinois, 1840-1950 ( includes Mercer County, IL) MyHeritage
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