The Online Naturalization Records and Indexes Directory has been updated with the following links...
Alaska
- Alaska Naturalization Records Index (large PDF file) from courts of Juneau, Petersburg, Skagway, Wrangell, Nome and Cordova - circa early to mid-20th Century
California
- San Luis Obispo County Naturalization Records Index
See: Online California Naturalization Records and Indexes
Colorado
- Clear Creek County Naturalization Index 1867-1906
- Denver and Pueblo Federal District Courts Naturalization Records Indexes 1877-1952 (coverage varies by place and type of record)
- Las Animas County Naturalization Index 1878-1906
Indiana
- Indiana Naturalization Records Indexes (for about 30 counties)
- Lake County Naturalizations Index
Michigan
- Sanilac County: Sandusky District Library Naturalization Records Index
New Hampshire
- Hillsborough County: Manchester Naturalizations and Declarations of Intention Index 1863-1888
New Jersey
- Burlington County: Trenton Naturalizations Index 1838-1967
- Camden Naturalizations Index (for the Camden, New Jersey Federal Court, which covers these counties: Burlington, Camden, Gloucester, Salem, Cape May, Cumberland and Atlantic; indexes petitions 1932-1981 and declarations of intent 1933-1964)
New Mexico
- New Mexico: Last Name Index to Naturalization Records 1860-1963 (U.S. District Court for the District of New Mexico)
New York
- Essex County Naturalization Records Index 1836-1906 (update: more years added)
- Madison County Naturalization Records 1819-1953
- Richmond County Naturalization Database 1883-1959 (coverage varies by type of document)
- Westchester County Archives Naturalization Records Index 1808-1955 (update: more years added)
See: Online New York Naturalization Records and Indexes includes New York City and State
Pennsylvania
- Delaware County: Naturalization Records Index 1795-1990
- Westmoreland County Naturalization Records 1906-1982 (includes digitized images of the documents)
See: Online Pennsylvania Naturalization Records and Indexes
West Virginia
- West Virginia Naturalization Records, 1814-1991 at FamilySearch (includes a variety of naturalization records for 32 of West Virginia's 55 counties; coverage varies by county)
Wisconsin
- Green Bay Area Research Center Genealogy Indexes (includes: Brown County Citizenship Records, 1829-1984; Calumet County Citizenship Records, 1850-1955; Kewaunee County Citizenship Records, 1850-1950; Manitowoc County Citizenship Records, 1848-1955; Outagamie County Citizenship Records, 1852-1963)
- Oshkosh Area Research Center: Naturalization Records Index (naturalization indexes from c. 1840s-1970s for Dodge County, Green Lake County, Marquette County, Oshkosh City, and Winnebago County)
See: Online Naturalization Records and Indexes - USA