The following is an index of naturalizations appearing in Dearborn County, Indiana court books. The index includes Circuit Court Order Books (CCOB) 1 and 2 from 1826 to 1829 and Probate Order Books (PO) 1 to 6 covering 1826 to 1849.

See Dearborn County Naturalizations for more records.

The first step of the naturalization process was the file a declaration of intent, these may detail a man’s age, his place of birth, his birth date, details of his immigration and information about his family. A man would return to the court a second time to become a naturalized citizen.

Digital images of these records are available on the Record Requests Page.