Mercer County IL Immigration Records

USA (1,142,393) > Illinois (48,477) > Mercer County (249) > Mercer County Immigration Records (2)

USA (1,142,393) > Illinois (48,477) > Illinois Immigration Records (454) > Mercer County Immigration Records (2)


NOTE: Additional records that apply to Mercer County are also 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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