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Collection Information

Naturalization records can be rich in detail, providing the date of immigration and the ship, names, ages, and addresses of family members, birth information, current and past residences, signatures, and affidavits from witnesses. The collection of Naturalization and citizenship records on includes indexes, which in the case of some records are linked to images of the actual records.

The collection of naturalization and citizenship records on Ancestry includes indexes, and some indexes are linked to images of the actual records.

Sample Images

Search Tips

  • Naturalization records may include more than one page. If you find a record, view the original image and use the arrow keys to scroll to the next page to make sure you’ve seen all the pages.
  • Be sure to note and research the names of witnesses on naturalization records. They were often relatives, employers, or friends from the immigrant’s previous home. Tracing these individuals in census records, directories, or immigration records may help you learn about your ancestor’s life before and after they arrived in their new country.
  • Keep in mind that your immigrant ancestor may not have used the English version of his or her given name and that the surname may also have ethnic variants. Learn the ethnic equivalents and try searches in the immigrant’s native language.
  • Try searching for other variations of your ancestor’s name in case it was spelled incorrectly. Wildcards can be used to search for name variants.
  • Learn about pronunciation in your immigrant ancestor’s native language. In some cases clerks may have recorded the name as they heard it.
  • Once you find a matching immigration record, save it to your family tree – that way you can provide evidence to back up the info in your family tree, easily share your discover with your family, and quickly find the historical record again later.