Colorado Immigration Records

USA (1,379,301) > Colorado (13,754) > Colorado Immigration Records (123)

County Specific Immigration Records

Statewide Immigration Records

A-Files (immigrant records,April 1, 1944 to May 1, 1951 U.S. Citizenship and Immigration Services

Alien Registration Forms (Form AR-2), August 1940 to March 1944 U.S. Citizenship and Immigration Services

Colorado Naturalization Records, 1876-1990 Family Search

Colorado, Passenger and Crew Manifests, 1959-1960 Ancestry

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

Declarations of intention, 1877-1952; naturalization dockets, 1906-1916; petitions, 1906-1950; miscellaneous records, 1883-1922 FamilySearch Library

Germans to America Passenger Data File Archives.com

Index to Naturalizations of World War I Soldiers, 1918 Fold3

Irish to America Passenger Data File Archives.com

Italians Immigrating to the United States MyHeritage

Italians to America Passenger Data File Archives.com

Naturalization Certificate Files (C-Files), September 27, 1906 to March 31, 1956 U.S. Citizenship and Immigration Services

Passenger and Immigration Lists, 1500-1900 MyHeritage

Registry Files (immigrant arrival records), March 1929 to March 31, 1944 U.S. Citizenship and Immigration Services

Russians Immigrating to the United States MyHeritage

Russians to America Passenger Data File Archives.com

U.S. Naturalization Records MyHeritage

U.S. Naturalization Records - Original Documents, 1795-1972 (World Archives Project) Ancestry

U.S. Naturalization Records Indexes, 1794-1995 Ancestry

U.S. Subject Index to Correspondence and Case Files of the Immigration and Naturalization Service, 1903-1959 Ancestry

U.S. and Canada, Passenger and Immigration Lists Index, 1500s-1900s Ancestry

U.S., German Immigrants, 1712-1933 Ancestry

U.S., Index to Alien Case Files at the National Archives at Kansas City, 1944-2003 Ancestry

U.S., Select Crew Lists and Manifests, 1890-1963 Ancestry

U.S., World War I Soldier Naturalizations, 1918 Ancestry

United States Germans to America Index, 1850-1897 Family Search

United States Index to Alien Case Files, 1940-2003 Family Search

United States Index to Naturalizations of World War I Soldiers, 1918 Family Search

United States Italians to America Index, 1855-1900 Family Search

United States Passport Applications, 1795-1925 Family Search

United States Russians to America Index, 1834-1897 Family Search

United States, Alien Case Files, 1944-2003 MyHeritage

Visa Files, July 1, 1924 to March 31, 1944 U.S. Citizenship and Immigration Services


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