Missouri Naturalization and Citizenship

United States Naturalization Online Genealogy Records

Online Resources

 * 1800-1991 at FamilySearch - How to Use this Collection; index & images
 * 1802-1956 Missouri, Naturalizations at MyHeritage - index ($)
 * 1816-1955 Naturalization Records Database, 1816-1955 at Missouri Digital Heritage; index
 * 1840-1990 Missouri, Western District Naturalization Index, 1840-1990 at Ancestry - index & images ($)
 * 1856-1942 Missouri, Federal Naturalization Records, 1856-1942 at Ancestry - index & images ($)
 * 1883-1927 at FamilySearch - How to Use this Collection; images;
 * 1944-2003 U.S., Index to Alien Case Files, 1944-2003 at Ancestry — index($)

History
Naturalization records have been filed primarily in the circuit courts. In earlier years naturalization information was included in the minutes and order books of various courts along with other court matters. Eventually the papers were kept in separate volumes with indexes. You may obtain copies of declarations, petitions, and certificates by contacting the clerk's office in each Missouri county courthouse.

Availability

 * The FamilySearch Library has copies of the records for some counties in the state. Search the FamilySearch Catalog for naturalization records under the county and state:


 * MISSOURI,NATURALIZATION AND CITIZENSHIP
 * MISSOURI, [Name of County]–NATURALIZATION AND CITIZENSHIP


 * St. Louis Public Library owns these Naturalization Record microfilm sets:


 * Index to Naturalizations, St. Louis Circuit Court, 1816-1905
 * Naturalization Records, St. Louis Metropolitan Area, 1805-1926


 * at FamilySearch; index and images — How to Use this Collection
 * Missouri, Western District Naturalization Index, 1848-1990 at Ancestry ($)

Post-1906 Records
In 1906 the Immigration and Naturalization Service (now United States Citizenship and Immigration Services) was created, forms were standardized and duplicate records were sent by the court to the INS. After 1906, most records are under the jurisdiction of a U.S. district court. To access these records, use the Genealogy Program at www.uscis.gov. You may also search the FamilySearch Catalog for Missouri naturalization records, or contact the National Archives—Central Plains Region (Kansas City). The Archives maintains records from the U.S. Eastern District Court, 1907 to 1941, and the Western District Court, 1906 to 1924.

Websites
Missouri State Archives-Naturalization Records

National Archives-Naturalization

St. Louis Public Library

FamilySearch.org