Births & Deaths:

  • 1867 Thru 1908 – After 1908, the records are at the Health Dept.


  • 1833 to present day.


  • 1833 to present day.

Estates, Guardianships, Trusts:

  • 1833 to present day

Changes of Names from 1833 to Present Day.

Naturalization Records from 1838 to Approximately 1941

The Hardin County Clerk of Courts also has old Naturalization Records


  • Adoption records from 1833 to December 31, 1963 are kept in the Probate Court and available upon request, proper ID, and the Courts approval.
  • Adult Adoptees adopted between January 1, 1964 thru September 19, 1996 may submit an application to Ohio Department of Health for a copy of their adoption file. For more information call ODH at (614) 466-2531.

Legal Holidays are per the Hardin County Handbook: New Years Day, Martin Luther King Day, Presidents Day, Memorial Day, Independence Day, Labor Day, Veteran's Day, Thanksgiving Day and the Friday after, and Christmas Day.
**Note: If the above holiday falls on a Saturday, the Court will be closed the Friday before the holiday. If the holiday falls on a Sunday, the Court will be closed the Monday after the holiday.