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Knox County, Ohio
Genealogy, History & Facts

Knox County, Ohio Facts

Knox County

When was Knox County, OH Created?
Knox County was created on March 1, 1808 from Fairfield County and Franklin County. This county was named for General Henry Knox, the first Secretary of War .

What is the County Seat of Knox County, OH?
The County Seat is located in Mount Vernon also, the county government website is .

What counties are adjacent to Knox County, OH?
Bordering Counties are Richland County (north), Ashland County (far northeast), Holmes County (northeast), Coshocton County (east), Licking County (south), Delaware County (southwest), Morrow County (northwest) .

Jefferson County Townships Map

What cities and towns are in Knox County, OH?
Cities and towns located in the County include Mount Vernon, Centerburg, Danville, Fredericktown, Gambier, Gann, Martinsburg, Utica. Other communities include Bladensburg, Howard, Mt. Liberty.

  • Knox County Townships include Berlin, Brown, Butler, Clay, Clinton, College, Harrison, Hilliar, Howard, Jackson, Jefferson, Liberty, Middlebury, Milford, Miller, Monroe, Morgan, Morris, Pike, Pleasant, Union, Wayne.


Knox County, OH Vital Records

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

Knox County, OH Census Records

What Knox County, OH census records are available?
There are many types of census records for Knox County guide you in researching your family tree. Federal Population Schedules are available for 1810, 1820, 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

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

Knox County, OH Courthouse and Government Records

Knox County Courthouse

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

  • Knox County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 106 E. High St., Mt. Vernon 43050-3453
    • Phone: (740) 397-2727
  • Knox 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
    • Address: 111 East High Street, First Floor, Mt. Vernon, OH 43050
    • Phone: (740) 393-6798 or (740) 393-6797
    • Marriage Records: 1808 
    • Probate Records: 1808
  • Knox County Recorder has the duty of keeping specific records which may include: deeds, mortgages, military discharges, plats, etc.
    • Address: 117 E. High St, Suite 114, Mt. Vernon, OH 43050
    • Phone: (740) 393-6755
    • Land Records: 1808
  • Knox 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:740.393.6777
    • Court Records: 1808
  •  Ohio, Wills and Probate Records, 1786-1998
  • BLM Land Records
  • Knox County USGenWeb Archives Project

Knox County, OH Societies and Family History Resources

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

  • Knox County Records Center, 117 East High Street, Suite B147, Mt. Vernon, OH 43050; 740 393-6781
  • Knox County Chapter, OGS, PO Box 1098, Mt. Vernon, OH 43050-1098; Knox County Chapter, OGS meets the third Monday of each month at 7:30 pm at Faith Lutheran Church, 170 Mansfield Ave., Mount Vernon, OH. This OGS Chapter has the U.S. International Genealogical Index (Mormon) on microfiche and has published volumes containing Knox County cemetery lists, Knox County Death Records (1867-1908), Knox County Marriage Records (1808-1875), Knox County Birth Records (1867-1908), and approximately fifty family histories are available at the Library.
  • Knox County Historical Society, PO Box 522, Mount Vernon, OH 43050-0522; Phone: (740) 397-3503; From the distant past to recent times, The Knox County Historical Society tells the story of Knox County's rich 200-year history. Major exhibits feature the development of our telephone and postal services, The Cooper-Bessemer Co., The Mount Vernon Bridge Co., "Dixie" author Dan Emmett, comedian Paul Lynde, legendary figure Johnny Appleseed, and our educational, religious, military, business and social heritage.
  • New Knoxville Historical Society, 09350 Bay Rd, New Knoxville, OH 45871-9634; Phone: (740) 872-3143; The New Knoxville Historical Society maintains an early 100-year-old frame house and summer kitchen, once belonging to Dr. Fledderjohann, the village doctor. The Museum houses memorabilia and artifacts from the village and the surrounding area. An old barn and log smoke house have been added.
  • 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 Knox County, OH Researchers through message boards and forums?

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

Knox Co. OH Books, Newspapers & Publications

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

Knox Co. OH Family Websites, Pictures & Histories

Knox Co. OH General and History Websites

Knox Co. OH Immigration & Naturalization

Knox Co. OH Maps, Atlases & Gazetteers

Knox Co. OH Military Records

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