NARA Central Plains Region
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Iowa Naturalization Records
Iowa, Federal Naturalization Records, 1856-1937
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Start your Ancestry free trialIllinois, Northern District Naturalization Index, 1840-1950 This is NARA publication M1285: Soundex Index to Naturalization Petitions for the United States District and Circuit Courts, Northern District of Illinois and Immigration and Naturalization Service District 9, 1840-1950. This card file is an index to petitions for residents of northern Illinois, northwestern Indiana, southern and eastern Wisconsin, and eastern Iowa.
U.S. Naturalization Record Indexes for Illinois, Indiana, Wisconsin, Iowa, 1791-1992
Iowa Naturalization Records by county
Cerro Gordo Naturalizations, US District Court Mason City, Cerro Gordo County, Iowa [USGenWeb]
Dickinson Naturalization Certificate 1920 for Anders Alfred Larson of Spirit Lake Iowa
Jasper Naturalization Record Book 2 Jasper County, Iowa 1887-1895[Jasper County Iowa GenWeb]
Linn Linn Co. Iowa Naturalizations in the Superior Court
Scott OCT 16, 1884, Naturalization final papers of William WillScott County, Iowa
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