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Guide to Hardin County, Ohio ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

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Online Records

Hardin County, Ohio
Boundary map of Hardin County, Ohio
Map of the U.S. highlighting Ohio
Location of Ohio in the U.S.
Hardin County, Ohio Courthouse.jpg
Address Hardin County Courthouse
One Courthouse Square
Kenton, Ohio 43326
Hardin County Webstie


Historical Facts

Beginning dates for major county records
*For earlier dates, try... Church | Obituaries | Cemeteries
  • Parent Counties: Formed from Logan County 12 February 1820.[1]
  • County Seat: Kenton

Neighboring Counties

Hancock County  • Wyandot County  • Marion County  • Union County  • Logan County  • Auglaize County  • Allen County

Hardin CountyWyandot CountyPutnam CountyAllen CountyAuglaize CountyShelby CountyDelaware CountyUnion CountyLogan CountyHancock CountyMarion CountyOHHardin.JPG

Boundary Changes

For animated maps illustrating Ohio county boundary changes, "Rotating Formation Ohio County Boundary Maps" (1788-1888) may be viewed for free at the MapofUS.org website.

Record Loss

For a list of record loss in Ohio counties see: Ohio Counties with Burned Courthouses


Bible Records

For an extensive list of resources for Bible Records see Ohio Bible Records.


Business Records and Commerce


Cemetery records often reveal birth, marriage, death, relationship, military, and religious information.

Online Grave Transcripts Published Grave Transcripts County Cemetery Directories


Family History Library




Names in Stone


Billion Graves

Billion Graves


Ohio Gravestones

Names in Stone

See Ohio Cemeteries for more information.


Church Records

Church records and the information they provide vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Ohio denominations, view the Ohio Church Records wiki page.

Finding More Church Records

Additional church records can sometimes be found using search phrases such as Hardin County, Ohio Genealogy Church Records in online catalogs like:

Court Records

Emigration and Immigration

Ethnic, Political, or Religious Groups




Local histories are available for Hardin County, Ohio Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Ohio Local Histories.

Local Histories

Land and Property

Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Ohio Land and Property for additional information about early Ohio land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse and where records are currently housed.

Finding More Land Records

Additional land records can sometimes be found using search phrases such as Hardin County, Ohio Genealogy Land and Property Records in online catalogs like:




Civil War

Civil War service men from Hardin County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in Hardin County.

- 4th Regiment, Ohio Infantry (3 months, 1861), Companies D and G

Naturalization and Citizenship


Hardin County, Ohio Genealogy newspapers may contain genealogical value including obituaries, births, marriages, deaths, anniversaries, family gatherings, family travel, achievements, business notices, engagement information, and probate court proceedings.

To access newspapers, contact public libraries, Ohio Genealogical Society chapters, college or university libraries, the Library of Congress, Google News, or the Ohio Historical Society. The Ohio Genealogical Society Obituary Database is another source of newspaper information.

For more Ohio newspaper information see the Newspaper Guides on the wiki page Ohio Newspapers.
Online Newspapers
Online Newspaper Abstracts
Newspaper Extracts and Abstracts in Book Form




Probate records created after 1852 are held by the Hardin County, Ohio Genealogy Probate Court. From 1797 or the creation of the county, probate records were held by the Court of Common Pleas. Most counties transferred all records to the Probate Court, but in some circumstances, Court of Common Pleas records should be searched for records prior to 1852. Most records are housed at the Hardin County, Ohio Genealogy Courthouse. Some records are on microfilm at the Ohio Genealogical Society and the Family History Library. For more complete information about the location of county probate records see:

See the wiki page Ohio Probate Records for information about how to use probate records.

Content: Probate Records may give the decedent's date of death, names of his or her spouse, children, parents, siblings, in-laws, neighbors, associates, relatives, and their place of residence.

Record types: Wills, estates, guardianships, naturalizations, marriage, adoption, and birth and death records (1867-1908 only).

Online Probate Records

Finding More Probate Records

Additional probate records can sometimes be found using search phrases such as Hardin County, Ohio Genealogy Probate Records in online catalogs like:

Public Records



Hardin County Courthouse
Public Square;
Kenton, OH 43326

Clerk Court has divorce and court records from 1864;
County Health Department has birth and death records;
Probate Court has marriage, death and probate records
Recorder has land records[1]

Family History Centers

Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes. See Family History Center for more information. Search the online FHC directory for a nearby family history center.



Finding More Tax Records

Additional tax records can sometimes be found using search phrases such as Hardin County, Ohio Genealogy Tax Records in online catalogs like:

Vital Records

Vital records consist of birth, death, marriage and divorce records. Although Ohio enacted a statute in 1856 -1857 requiring registration of births, deaths and marriages, many counties did not comply. A second law was written in 1867 but, again, was not always followed. By 1908, the law was more clearly defined and kept. Any existing birth and death records from 1867 through December 19, 1908 are located at the Hardin County, Ohio Genealogy Probate Court. The Ohio Department of Health has birth records filed after December 20, 1908 and death records filed after January 1, 1954 while the Ohio Historical Society houses death records from December 20, 1908 through December 31, 1953.

Original marriage records are held at the office of the Hardin County, Ohio Genealogy Probate Court with divorce records located with the Hardin County, Ohio Genealogy Clerk of Courts.

See also How to order Ohio Vital Records or order vital records electronically online.


Online Birth Indexes and Records

Original Birth Records on Microfilm


Online Marriage Indexes and Records

Original Marriage Records on Microfilm


Online Death Indexes and Records
Original Death Records on Microfilm

Finding More Vital Records

Additional vital records can sometimes be found using search phrases such as Hardin County, Ohio Genealogy Vital Records in online catalogs like:


Web Sites


Populated Places


  1. 1.0 1.1 Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), [FHL book 973 D27e 2002].
  2. Carol Willsey Bell, Ohio Wills and Estates to 1850: An Index (Columbus, Ohio: the author, 1981). FamilySearch Books Online - Free online copy.


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  • This page was last modified on 31 October 2015, at 14:31.
  • This page has been accessed 22,912 times.