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Hardin County, Ohio
Genealogy, History & Facts

Hardin County, Ohio Facts

Hardin County

When was Hardin County, OH Created?
Hardin County was created on April 1, 1820 from Logan County and Delaware County (Organized in 1833). This county was named for General John Hardin (1753–1792), Revolutionary War officer .

What is the County Seat of Hardin County, OH?
The County Seat is located in Kenton also, the county government website is .

What counties are adjacent to Hardin County, OH?
Bordering Counties are  Hancock County (north), Wyandot County (northeast), Marion County (east), Union County (southeast), Logan County (south), Auglaize County (southwest), Allen County (northwest) .

Hardin County Townships Map

What cities and towns are in Hardin County, OH?
Cities and towns located in the County include Ada, Kenton, Alger, Dunkirk, Forest, McGuffey, Mt. Victory, Patterson, Ridgeway. Other communities include Dola, Hepburn, Roundhead .

What townships are in Hardin County, OH?
Townships located in the County include Blanchard, Buck, Cessna, Dudley, Goshen, Hale, Jackson, Liberty, Lynn, Marion, McDonald, Pleasant, Roundhead, Taylor Creek, Washington.

Hardin County, OH Vital Records

Where can find Hardin County Birth, marriage, Divorce and Death Records?
Hardin 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 Hardin 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.

The Hardin County Health Department has Birth & Death Records from 1908-Present. For birth and death records prior to Dec. 20, 1908, contact the Probate Court of this county.

Hardin County, OH Census Records

What Hardin County, OH census records are available?
There are many types of census records for Hardin 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.

Hardin Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Hardin Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Hardin 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

Hardin County, OH Courthouse and Government Records

Hardin County Courthouse

What genealogical records can I find in the Hardin County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Hardin County. The years listed below are the first noted records with this county. See Also Ohio Corthouse Records Research Guide.

  • Hardin County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address:One Courthouse Square, Kenton, OH 43326
    • Phone: 1-419-674-2250
  • Hardin County Clerk of Probate Court handles the probating of wills, estate administrations, trusts, guardianships, adoptions, birth corrections, delayed birth registrations and issues marriage licenses. The Probate Court is that the Probate Judge is the ex-officio Clerk of Courts, thus, the Court performs all the duties as its own Clerk of Courts
    • Phone: 419-424-7037
    • Marriage Records: 1833 
    • Probate Records: 1830
    • Birth / Death Records: 1867-1908
  • Hardin County Recorder has the duty of keeping specific records which may include: deeds, mortgages, military discharges, plats, etc.
    • Phone: 419-674-2252 or 419-674-2250
    • Land Records: 1831
  • Hardin County Clerk of Court of Common Pleas is responsible for duties that include filing, docketing, indexing, and preserving all court pleadings for civil, felony criminal and domestic relations cases. Other services provided by the Clerk of Court of Common Pleas are administering oaths, keeping naturalization records, and recording and retention of coroner records.
    • Phone: (419) 674-2256
    • Court Records: 1833
  •  Ohio, Wills and Probate Records, 1786-1998
  • BLM Land Records
  • Hardin County USGenWeb Archives Project

Hardin County, OH Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Hardin County, OH?
A list of Hardin County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Ohio Archives, Historical & Genealogical Societies.

  • Hardin County Chapter, OGS, PO Box 520 , Kenton, OH 43326-0520, Phone: (419) 674-4088, The Society's Genealogy Library is located at:, 211 W Franklin St, Kenton, Ohio ; Hardin County Chapter, OGS meets the second Monday of the month at the Kenton Moose Family Center, 801 W. Lima Ave. Kenton, OH except in June, a members picnic is held on the 3rd Saturday. No meeting in September and Government holidays. This OGS Chapter's holdings are housed in the Hardin County Library.
  • Hardin County Historical Museums, 223 N Main St Rear, Kenton, OH 43326-1505; Phone: (419) 673-7147; Three historic sites (Sullivan-Johnson Museum and Burnison Farmstead/Agricultural Museum) feature permanent and changing exhibits devoted to the colorful heritage of Hardin County.
  • Ada Public Library-Historic Preservation, 320 N Main St, Ada, OH 45810-1184; Phone: (419) 634-5246; The Ada Public Library collects and makes available for research archival materials of local interest.
  • 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 Hardin County, OH Researchers through message boards and forums?

What other genealogical resources are available in Hardin County, OH?
The following are web links to Genealogy, Records and Resources pertaining to Hardin County.

Hardin Co. OH Books, Newspapers & Publications

Hardin Co. OH Church / Bible Records & Cemeteries / Graveyards

Hardin Co. OH Family Websites, Pictures & Histories

Hardin Co. OH General and History Websites

Hardin Co. OH Immigration & Naturalization

Hardin Co. OH Maps, Atlases & Gazetteers

Hardin Co. OH Military Records

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