Explore naturalization records from counties across the state of Ohio and find your family members as they took their first steps to become American citizens. Learn essential details like their birth place and the year they applied for naturalization.

What can these records tell me?

There are more than 385,000 records for individuals who applied for naturalization in Ohio. While the information for each person varies, Ohio County naturalizations 1800-1977 usually provides:

  • First and last name
  • Age
  • Birth year
  • Birth place
  • Naturalization year
  • Town
  • County
  • Discover more about Ohio County naturalizations 1800-1977

    Naturalization cards are important documents that provide crucial details for genealogical research. Foreign-born residents who wished to become citizens would register their information at the nearest courthouse and become naturalized residents, beginning the residency requirement needed before citizenship could be granted. It was not uncommon for people to apply for naturalization years after they first arrived in the country.

    These naturalization records were collected from counties across the state of Ohio, and different counties began collecting this information at different times. Once you locate your ancestor’s record, you can uncover important information about them and their desire to become an American citizen.

    Findmypast is pleased to present these records in partnership with FamilySearch, Intl.