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Union County, Ohio

Union County

Union County was created on April 1, 1820 from Delaware County, Franklin County, Logan County and Madison County. This county was named as such due to it formed by a union of four counties .

The Union County Seat is located in Marysville also, the county government website is .

Areas bordering to Union County are Marion County (northeast), Delaware County (east), Franklin County (southeast), Madison County (south), Champaign County (southwest), Logan County (west), Hardin County (northwest) .

Cities and towns located in Union County include Dublin, Marysville, Magnetic Springs, Milford Center, Plain City, Richwood, Unionville Center. Other communities include Broadway, Chuckery, Irwin, New California, Raymond.

Union County Townships Map

Union County Townships include Allen, Claibourne, Darby, Dover, Jackson, Jerome, Leesburg, Liberty, Millcreek, Paris, Taylor, Union, Washington, York.

Union 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 Union 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.

Union 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.

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

Union County Societies and Family History Resources

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

  • RAOGK Volunteers for Ohio (
  • Ohio Genealogy Community (
  • Ohio State Genealogy Network (
  • Union County Chapter, OGS, PO Box 438, Marysville, OH 43040-0438; Phone: (937) 642-1876; Union County Chapter, OGS meets in the lower level Meeting Room at the Public Library, 231 S. Plum St., Marysville, OH at 7:00pm on the third Tuesday of the month, except in December. This OGS Chapter preserves historical records of Union County and related areas. The group publishes materials compiled by the Chapter and collects genealogical data for Marysville, Richwood, and Plain City local libraries.
  • Union County Historical Society , PO Box 303, Marysville, OH 43040-0303; Phone: (937) 642-1972; The Union County Historical Society and Museum specialize in collecting and exhibiting Union County history.
  • Raymond-Newton Historical Society, 23387 Dayton Ave, Raymond, OH 43067-9701; Phone: (937) 246-3641; The Raymond-Newton Historical Society collects and presents the local history of the area. It has published four books about the community.
  • Union County USGenWeb Archives Project (
  • Union County, Ohio Message Boards ( read and post messages about your ancestors in Union County
  • Union County, Ohio Genealogy Forum ( read and post messages with other genealogy researchers for Union County

Union County Courthouse and Government Records

Union County Courthouse

Genealogist typically fail to notice the benefits of Union 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 Union 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.

Please make sure to call the clerk's department to confirm hours, mailing address, fees and other details prior to visiting or seeking information because of sometimes changing contact details. The Department Offices DO NOT DO RESEARCH. The records are accessible to interested parties, barring private issues. A good number of workers will help people in locating the materials, however it's up to the man or women to do the researching.

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

  • Union County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 215 West Fifth Street, Marysville, Ohio 43040
    • Phone: (937) 645-3012
  • Union 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: 128 S. Main Street, Marysville, Ohio 43040
    • Phone: 937-645-3029
    • Marriage Records: 1820 
    • Probate Records: 1820
  • Union County Recorder has the duty of keeping specific records which may include: deeds, mortgages, military discharges, plats, etc.
    • Address: 1st Floor, County Office Building, 233 West Sixth Street, Marysville
    • Phone: 937-645-3032
    • Land Records: 1811
  • Union 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: 937.645.3015
    • Court Records: 1820
  • The Union 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.

Union County Links

The following are web links to Genealogy, Records and Resources pertaining to Union County. A lot of these genealogy links fall into 3 categories: Professional Sites, Personal Sites or Organization Sites. Some have free access some have to have a payment. This is just a list which has been compiled or submitted. I do not recommend or promote one genealogy site above another. Feel free to submit your own favorite Union County genealogy or family history related sites.

Union Co. OH Books, Newspapers & Publications

Union Co. OH Birth, Marriage & Death Records

Union Co. OH Court, Probate Land and Tax Records

Union Co. OH Census Records

Union Co. OH Cemeteries & Graveyards

Union Co. OH Church & Bible Records

Union Co. OH Family Websites, Pictures & Histories

Union Co. OH General and History Websites

Union Co. OH Immigration & Naturalization

Union Co. OH Maps, Atlases & Gazetteers

Union Co. OH Military Records

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