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Seneca County, Ohio
Genealogy, History & Facts
County Vital Records ∣ County Census Records ∣ County Courthouse and Government Records ∣
County Societies, Family History Resources and County Genealogy Links
Seneca County, Ohio Facts
When was Seneca County, OH Created?
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 .
What is the County Seat of Seneca County, OH?
The County Seat is located in Tiffin also, the county government website is www.seneca-county.com/ .
What counties are adjacent to Seneca County, OH?
Bordering Counties are Sandusky County, Huron County, Crawford County, Wyandot County, Hancock County, Wood County .
Seneca County, OH Vital Records
Where can find Seneca County Birth, marriage, Divorce and Death Records?
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. The Archives Division has copies of births before 1908, death before 1944 and marriage records before 1949.
- County Vital Records Held at the OHS
- U.S., Social Security Applications and Claims Index, 1936-2007
- Social Security Death Index
- USGenweb Archives Ohio Marriage Project
- Ohio, County Births, 1856-1909
- Ohio, Births and Christenings Index, 1800-1962
- Ohio, Births and Christenings, 1821-1962
- Ohio, Marriages, 1800-1958
- Ohio, County Marriages, 1790-1950
- Ohio Marriage Index, 1970, 1972-2007
- Ohio Marriages, 1803-1900
- Ohio Divorce Index, 1962-1963, 1967-1971, 1973-2007
- Ohio Death Certificate Index, 1913 – 1944
- Ohio, Deaths, 1908-1953
- Ohio, Death Index, 1908-1932, 1938-1944, and 1958-2007
- Ohio Deaths and Burials, 1854-1997
- Ohio Deaths, 1908-1932, 1938-1944, and 1958-2007
Seneca County, OH Census Records
What Seneca County, OH census records are available?
There are many types of census records for Seneca County guide you in researching your family tree. Federal Population Schedules are available 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. See Also Ohio Census Records Research Guide
Seneca County, OH Courthouse and Government Records
What genealogical records can I find in the Seneca County Courthouse?
Researchers frequently overlook the great importance of Seneca County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Ohio courthouses and archives everywhere are the ambitions and frustrations of countless Ohio residents. The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Seneca County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Ohio Courthouse Records Research Guide.
- Seneca County Courthouse (all departments listed below are located here, unless otherwise noted)
- Address: 103 S., Washington St., Tiffin 44883-2352
- Phone: (419) 447-4550
- Seneca County Clerk of Probate Court
- Address: 108 Jefferson Street Tiffin, Ohio 44883
- Phone: (419) 447-3121
- Marriage Records: 1841
- Probate Records: 1828
- Seneca County Recorder
- Address: 109 S Washington Street Suite 2104, Tiffin, OH 44883
- Phone: 419-447-4434
- Land Records: 1821
- Seneca County Clerk of Court of Common Pleas
- Address: 117 E. Market St., Ste 4101, Tiffin, OH 44883
- Phone: 419-447-0671
- Court Records: 1824
- Ohio, Wills and Probate Records, 1786-1998
- BLM Land Records
- Seneca County USGenWeb Archives Project
Seneca County, OH Societies and Family History Resources
What genealogical and historical societies, archives, museums, associations and libraries are available for Seneca County, OH?
A list of Seneca County Historical and Genealogical Societies, Libraries, Archives. See also list of Statewide Ohio Archives, Historical & Genealogical Societies.
- 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.
- Ohio Historical Society, Archives-Library Division, 1982 Velma Avenue, Columbus, OH 43211; Telephone: 614-297-2300
- Ohio Genealogical Society, 713 South Main Street, Mansfield OH 44907-1644
Where can I connect with other Seneca County, OH Researchers through message boards and forums?
- https://www.archives.gov/research/census
- Ohio Genealogy Community (plus.google.com)
- Ohio State Genealogy Network (facebook.com)
- Seneca County, Ohio Message Boards (boards.ancestry.com) read and post messages about your ancestors in Seneca County
- Seneca County, Ohio Genealogy Forum (genforum.genealogy.com) read and post messages with other genealogy researchers for Seneca County
What other genealogical resources are available in Seneca County, OH?
The following are web links to Genealogy, Records and Resources pertaining to Seneca County.
Seneca Co. OH Books, Newspapers & Publications
- Ohio Newspapers Books & Publications Research Guide
- Ohio historical newspaper archives online (newspapers.com)
- Historical Newspapers from Ohio (1802 – 1970) (genealogybank.com)
- Seneca County, Ohio Books (amazon.com)
- Search Ohio Obituaries (1985 to current) (genealogybank.com)
- Seneca County Newspaper Articles (usgwarchives.net)
- Seneca County Obituaries (usgwarchives.net)
Seneca Co. OH Church / Bible Records & Cemeteries / Graveyards
- Seneca Co., Ohio Graves (findagrave.com)
- Seneca County Cemetery Transcriptions and Tombstone Photos (usgwarchives.net)
- Seneca Co. Ohio Tombstone Photo Project (usgwarchives.net)
- Seneca County Tombstone Transcription Project (usgwtombstones.org)
- Seneca Co., Ohio Cemeteries (Internment.net)
- Seneca Co., Ohio Cemetery Books (amazon.com)
- Seneca Co. Church Records (usgwarchives.net)
- Seneca Co. Bible Records (usgwarchives.net)
- Seneca County, Ohio Church Books (amazon.com)
Seneca Co. OH Family Websites, Pictures & Histories
- Create a Free Family Tree (ancestry.com)
- County Biographies (usgwarchives.net)
- Penny Postcards From Seneca Co. (usgwarchives.net)
- County Photos (usgwarchives.net)
Seneca Co. OH General and History Websites
- See Also State History for Ohio
- Seneca County Ohio (genealogytrails.com)
- History of Seneca County : from the close of the Revolutionary War to July, 1880 : embracing many personal sketches of pioneers (search.ancestry.com)
- Seneca County, Ohio Wikipedia (wikipedia.org)
- Seneca County, Ohio Wiki (familysearch.org)
- Seneca Co. OH Genealogy (kindredtrails.com)
- Family History Library (familysearch.org)
- Seneca County History (usgwarchives.net)
- Seneca County, Ohio (linkpendium.com)
- Cyndi’s List – United States – Ohio – Counties – Seneca (cyndislist.com)
- Seneca Co. OHGenweb (ohgenweb.org)
- Seneca County Genealogy Queries (cousinconnect.com)
- Seneca Co. Data Collections (search.ancestry.com)
Seneca Co. OH Immigration & Naturalization
- See Also Statewide Immigration and Naturalization Links for Ohio
- Seneca County Naturalization Records held by OHS (ohiohistory.org)
Seneca Co. OH Maps, Atlases & Gazetteers
- See Also Statewide Maps and Atlas Links for Ohio
- Seneca Co., Ohio Township Map
- Adams County Maps Index (usgwarchives.net)
- 1895 Seneca County Map (livgenmi.com)
Seneca Co. OH Military Records
- Ohio Military Records Research Guide
- Seneca County Military Records (usgwarchives.net)
- Ohio Military Records (Fold3.com) provides access to military records, stories, photos, and personal documents belonging to the Ohio women and men which served. Great for Seneca County genealogists, researchers, historians and a lot more.
AlpineSeneca Co. OH Schools & Directories
- Tiffin, Seneca County, Ohio Directory, 1916-21 (search.ancestry.com)