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Seneca County, Ohio

Seneca County

Seneca County was created on April 1, 1820 from Huron County and Sandusky County (Organized in 1824). This county was named for the Seneca Indians, who had a reservation in the county area at the time .

The Seneca County Seat is located in Tiffin also, the county government website is .

Areas bordering to Seneca County are Sandusky County (north), Huron County (east), Crawford County (southeast), Wyandot County (southwest), Hancock County (west), Wood County (northwest) .

Cities and towns located in Seneca County include Bellevue, Fostoria, Tiffin, Attica, Bettsville, Bloomville, Green Springs, New Riegel, Republic. Other communities include Alvada, Bascom, Flat Rock, Kansas, Melmore, Old Fort.

Seneca County Townships Map

Seneca County Townships include Adams, Big Spring, Bloom, Clinton, Eden, Hopewell, Jackson, Liberty, Loudon, Pleasant, Reed, Scipio, Seneca, Thompson, Venice.

Seneca County vital records can be found at the Ohio Department of Health which has Birth Records since Dec 20, 1908; Death Records since since 1954 and copies of Marriage and Divorce Records since 1918 to present There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Ohio for current fees and application process.

You can search online for Seneca County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Ohio Birth Certificate, Marriage Certificate, Divorce Certificate, Death Certificate Application to mail.

Seneca County consists of Federal Census Schedules to guide in looking into your family tree. Federal Population Schedules can be found for 1820, 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Seneca Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Seneca Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Seneca Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research.

Seneca County Societies and Family History Resources

A list of Seneca County Historical  and Genealogical Societies, Forums, Message Boards, Libraries, Archives.

  • RAOGK Volunteers for Ohio (
  • Ohio Genealogy Community (
  • Ohio State Genealogy Network (
  • Seneca County Chapter, OGS, PO Box 157, Tiffin, OH 44883-0157; Phone: (740) 354-3760; Seneca County Chapter, OGS meets at the Tiffin-Seneca Public Library, 77 Jefferson St., Tiffin, OH on the first Tuesday of each month except July, August, and December. This OGS Chapter aids individuals in their research and publishes genealogical material.
  • Seneca County Historical Society, 72 Riverlea Pk, Tiffin, OH 44883-1604; Phone: (419) 447-1834; The Seneca County Historical Society preserves and promotes the history of Tiffin and Seneca County.
  • Attica Area Historical Society, PO Box 226, Attica, OH 44807-0226; Phone: (419) 426-3825; The Attica Area Historical Society is dedicated to preserving the history and traditions of Reed and Venice Townships of Seneca County. At present it has items in the Seneca East Public Library basement.
  • Fostoria Area Historical Society & Museum, PO Box 142, Fostoria, OH 44830-0142; Phone: (419) 435-4664; The Fostoria Area Historical Society, housed in the former Fire Station and City Building built in 1874, exhibits the furniture and documents of Charles Foster used while he was 18th Governor of Ohio and later when he was Secretary of the U.S. Treasury. Additionally, it contains artifacts of the surrounding counties of Seneca, Hancock, and Wood. A rare antique automobile, the 1917 Allen Motor Car was made in Fostoria, and is exhibited along with a 1941 Seagraves Ladder-Pump Fire Truck.
  • Seneca County USGenWeb Archives Project (
  • Seneca County, Ohio Message Boards ( read and post messages about your ancestors in Seneca County
  • Seneca County, Ohio Genealogy Forum ( read and post messages with other genealogy researchers for Seneca County

Seneca County Courthouse and Government Records

Seneca County Courthouse

Genealogist typically fail to notice the benefits of Seneca County court, probate, and land records as a source of genealogical details. Hidden away in Ohio courthouses and archives just about everywhere are often the hopes and dreams and frustrations of countless Ohio people.

The possibilities are excellent that your potential forefathers have left a comprehensive document of at least quite a few aspects of their lives in the Seneca County court records. Even if your ancestors is not discussed in a Court case, take into consideration all of the other methods which often can have lead to her or him appearing in court records.

The following facts denotes exactly what death, marriage, birth, property, wills, and court records are typically in Seneca County. The dates indicated listed below are considered the first noted records data for this particular county.

Seneca County Links

The following are web links to Genealogy, Records and Resources pertaining to Seneca County.

Seneca Co. OH Books, Newspapers & Publications

Seneca Co. OH Birth, Marriage & Death Records

Seneca Co. OH Court, Probate Land and Tax Records

Seneca Co. OH Census Records

Seneca Co. OH Cemeteries & Graveyards

Seneca Co. OH Church & Bible Records

Seneca Co. OH Family Websites, Pictures & Histories

Seneca Co. OH General and History Websites

Seneca Co. OH Immigration & Naturalization

Seneca Co. OH Maps, Atlases & Gazetteers

Seneca Co. OH Military Records

AlpineSeneca Co. OH Schools & Directories

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