Union County, Ohio Genealogy

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

Ohio Online Genealogy Records

Union County, Ohio Record Dates

 * Parent Counties: Formed from Delaware, Franklin, Logan and Madison Counties in 1820).
 * County Seat: Marysville

Description
The county was named after it's reflective of its origins, it being the union of portions of Franklin, Delaware, Madison, and Logan counties. It's county seat is Marysville and was founded April 1, 1820. It is located in the West-central area of the state.

Populated Places
For a complete list of populated places, including small neighborhoods and suburbs, visit Hometown Locator. The following are the most historically and genealogically relevant populated places in this county:

Neighboring Counties
Hardin County • Marion County • Delaware County • Franklin County • Madison County • Champaign County • Logan County

Boundary Changes
For animated maps illustrating Ohio county boundary changes, "Rotating Formation Ohio County Boundary Maps" (1788-1940) may be viewed for free at the MapofUS.org website.

Record Loss
There is no known history of courthouse disasters in this county.

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

Church Records
Finding Church Records at Other Repositories

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


 * WorldCat (For instructions see WorldCat Online Catalog).

History

 * Curry, William Leontes, History of Union County, Ohio: Its People, Industries and Institutions, with Biographical Sketches of Representative Citizens and Genealogical Records of Many of the Old Families, (Indianapolis, Ind.: B. F. Bowen and Co., 1915). Digital copy at: FamilySearch Digital Library, Internet Archive;


 * Durant, P.A., The History of Union County, Ohio: Containing a History of the County, its Townships, Towns, Military Records, Portraits of Early Settlers and Prominent Men, (Salt Lake City, Utah: Filmed by the Genealogical Society of Utah, 1971). Digital copy at: FamilySearch Digital Library, Internet Archive;


 * Kunkel, Joan, Union County, Ohio, Atlas, (Philadelphia: Harrison, Sutton & Hare, 1877).

Maps

 * Maps of Ohio (1788-1940)

Military

 * 1888-1919 - at FamilySearch — index and images

Civil War

 * Civil War service men from Union 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 Union County.
 * -1st Regiment, Ohio Cavalry, Companies D and K
 * -96th Regiment, Ohio Infantry, Company K, roster

World War I

 * 1914-1919 - at FamilySearch — index and images
 * 1914-1918 - at FamilySearch — index and images
 * 1916-1920 - at FamilySearch — index

Naturalization and Citizenship

 * 1800-1977 - at FamilySearch — index and images

Newspapers
Online Newspapers Online Newspaper Abstracts Newspaper Extracts and Abstracts in Book Form

Probate
Online Probate Records
 * 1786 - 1998 Ohio Wills and Probate Records 1786-1998 at Ancestry.com — index and images $
 * 1789 - 1996 at FamilySearch.org — images
 * 1790–1967 - at FamilySearch Historical Records – free. This collection consists of probate records and estate files from county courthouses in Ohio. The content and time period varies by county, with more records being added as they become available. This Collection will include records from 1789 to 1996. Currently, (September 2012) the collection is only searchable by browsing the images. A list of Fires that have destroyed records in the courthouses of several counties are listed on the Record Description page.

Courthouse
Union County Courthouse 215 W 5th Street Marysville, OH 43040 Phone: 937.645.3006 County recorder has land records from 1819; Probate Court has birth, marriage, death and probate records

Family History Centers

 * Columbus Ohio North Family History Center

For additional nearby Family History Centers, search online in the FHC directory. Put your town name in the top search box.

Online Genealogy Research Groups

 * U.S. Midwest Genealogy Research Community - FamilySearch Facebook Research Group
 * Ohio Ancestors - FamilySearch Community group, must have a free FamilySearch account to join
 * U.S. and Canada Genealogy Research - FamilySearch Community group, must have a free FamilySearch account to join
 * U.S. and Canada Genealogy Research - FamilySearch Community group, must have a free FamilySearch account to join

Taxation

 * 1800-1950 - at FamilySearch — index and images

Birth
Online Birth Indexes and Records
 * 1841-2003 - at FamilySearch — index and images

Original Birth Records on Microfilm

Marriage
Online Marriage Indexes and Records
 * 1789-2013 - at FamilySearch — index and images
 * 1800-1958 - at FamilySearch — free; Index.
 * 1800-1942 - at FamilySearch — index

Original Marriage Records on Microfilm

Death
Online Death Indexes and Records


 * 1840-2001 - at FamilySearch — index and images
 * 1908-1953 - Ohio Deaths, 1908-1953. Free name indexes and images at FamilySearch. Records include such information as birth date of deceased, city, county, and state of death, name of spouse if married, names of parents, maiden name of mother, name of informant, if deceased was single, married, windowed or divorced, occupation of deceased.
 * 1908-1932, 1938-2018 Ohio, Death Records, 1908-1932, 1938-2018 at Ancestry.com ($) — index and images

Original Death Records on Microfilm

Websites

 * Union County, OH History, Records, Facts and Genealogy
 * Union County OH Genealogy
 * Ohio Genealogy Network Group on Facebook
 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
 * Links to specific resources for Union County; many are free. &amp;nbsp