Montana Naturalization and Citizenship

Online Resources

 * 1795-1925 at FamilySearch  - How to Use this Collection; index and images
 * 1880-2009 at FamilySearch  - How to Use this Collection; index and images
 * 1865-2009 at FamilySearch  - How to Use this Collection; index and images
 * 1868-1999 at FamilySearch  - How to Use this Collection; index and images
 * 1887-2012 at FamilySearch  - How to Use this Collection; index and images
 * 1910-2012 at FamilySearch  - How to Use this Collection; index and images
 * 1866-2010 at FamilySearch  - How to Use this Collection; index and images
 * 1881-2012 at FamilySearch  - How to Use this Collection; index and images
 * 1913-1960 at FamilySearch  - How to Use this Collection; index and images
 * U.S. Naturalization Record Indexes, 1791-1992, Montana - ($) Index only
 * Norske i Montana Naturalization - Index, incomplete for all counties
 * 1856-1979 at FamilySearch  - How to Use this Collection; images
 * Montana, County Naturalization Records, 1867-1970 - ($), Index and images
 * Montana, Federal Naturalization Records, 1880-1920 - Index and images($).
 * Selected U.S. Naturalization Records - U.S. District Courts for the State of Montana, 1891-1929 - ($)
 * 1918 at FamilySearch  - How to Use this Collection; index
 * 1944-2003 U.S., Index to Alien Case Files, 1944-2003 at Ancestry — index($)

County Naturalization Records by FamilySearch
 * Montana, Cascade County Records - FamilySearch Historical Records - Images only
 * Montana, Granite County Records - FamilySearch Historical Records - Images only
 * Montana, Flathead County Records - FamilySearch Historical Records - Images only
 * 1866-2012 at FamilySearch  - How to Use this Collection; index and images
 * Montana, Rosebud County Records - FamilySearch Historical Records - Images only

Availability
Naturalization records have generally been filed in the county and district courts of Montana. You can write to the clerk of the court and request a search of indexes to certificates of arrival, petitions, declarations, and final naturalization papers.

The FamilySearch Library has copies of some Montana naturalizations. The National Archives—Pacific Alaska Region (Seattle)has documents for:


 * The four territorial district courts (1868-89). (Indexes on FS Library film items 1-8.)
 * U.S. district courts in Butte (1894-1929), Great Falls (1924-26), Helena (1892-1929). (FS Library films and .)
 * The U.S. Circuit Court (1891-98). (FS Library films items 9-10 and  items 1-20.)

Post-1906 Records
In 1906 the Immigration and Naturalization Service (now United States Citizenship and Immigration Services) was created, forms were standardized and duplicate copies of naturalization records were sent to the INS. You can access these records through the Genealogy Program at www.uscis.gov.