Washington DC Naturalization records online and Washington DC Citizenship Records online may include declarations of intent, petitions for naturalization, oaths of allegiance, certificates of citizenship, passports, and more.

These records often provide names and aliases of a person, age, country of birth, ethnic background, date and port of arrival, the name of the ship, previous residences, or current address.

TIP – Login with your free FamilySearch account to unlock some collections — see other tips for opening FS resources.

KEY to collections

• FS=FamilySearch FREE but login with your free account to access
• Anc$=Ancestry – fee site
• MH$=MyHeritage – fee site
• FMP$=FindMyPast – fee site

Washington DC Naturalization Records online

US – United States, New England Petitions for Naturalization Index, 1791-1906, index & images, at FS

US – United States Index to Naturalizations of World War I Soldiers, 1918, at FS

US – National Genealogical Society quarterly, at FS (see volumes covering years 1953-1957)

DC – Index to naturalization records of the U.S. Supreme Court for the District of Columbia, 1802-1909 : NARA RG21 publication M1827, index, at FS