Welcome to the Seneca County Probate and Juvenile Court!
genealogy research room

Genealogy Research

  • Birth and Death Records: 1867-1908;
    (After 1908 all birth and death records are located at the Seneca County Health District)
  • Marriage Index to Records: 1841- Present
  • Marriage Records: 1841-Present
  • All Estate Indexes to Files: 1840’s to Present
  • Naturalization Records: 1834-1930

The Court does not have a genealogical researcher on staff. If you are researching a family history, you may submit a written request to the Seneca County Probate, 103 East Market St., Tiffin, OH 44883. The search fee is $5.00 and this includes up to five (5) names to be searched. Photocopies are $.05 each and certified copies are $1.00 each. Please include in your written request a contact number and/or email address in case we would need to contact you regarding your requested search.