Index to Naturalization Records Created After September 27, 1906 The index covers naturalization records created between October 1, 1906 and December 1928 and is based on the following sources: Naturalizations, U.S. District Court—Eastern Division, Eastern Judicial District of Missouri, Vols. 1 – 82 Naturalizations, U.S. Circuit Court— Eastern Division, Eastern Judicial District of Missouri, Vols. 5 – 21 Entries are listed alphabetically by surname, then by given name, and then numerically by volume number. Abbreviations and Notations SLCL = History and Genealogy Department microfilm number (St. Louis County Library) FHL = Family History Library microfilm number * = spelling taken from the signature which differed from name in index. Download the Index Surnames A-D Surnames E-K Surnames L-M Surnames N-R Surnames S Surnames T-Z