USA (1,372,997) > Iowa (43,765) > Jefferson County (568) > Jefferson County Immigration Records (4)
USA (1,372,997) > Iowa (43,765) > Iowa Immigration Records (374) > Jefferson County Immigration Records (4)
NOTE: Additional records that apply to Jefferson County are also on the Iowa Immigration Records page.
Card index to naturalizations Family History Library
Iowa, Federal Naturalization Records, 1856-1937 Ancestry
Naturalization records, 1871-1905 Family History Library
US Naturalization Record Index, Northern Illinois, 1840-1950 ( includes Jefferson County, IA) MyHeritage