Jefferson County CO Immigration Records

USA (1,403,636) > Colorado (14,052) > Jefferson County (419) > Jefferson County Immigration Records (3)

USA (1,403,636) > Colorado (14,052) > Colorado Immigration Records (125) > Jefferson County Immigration Records (3)

NOTE: Additional records that apply to Jefferson County are also on the Colorado Immigration Records page.

Jefferson County Immigration Records

Colorado, State and Federal Naturalization Records, 1868-1990 Ancestry online

Jefferson County, Colorado, naturalization records 1862-1920 FamilySearch Library

Naturalization indexes 1880-1906 (old law) : Clear Creek, Gilpin, Jefferson and Park Counties, Colorado FamilySearch Library

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