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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