Part of the USGenWeb Project and its OHGenWeb Project, the American History & Genealogy Project and its Ohio History & Genealogy Network, and the American Local History Network and its Ohio American Local History Network
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This site is designed to provide information useful in researching family history, genealogy, and local history related to Union County, Ohio. It includes information on archives and libraries, published and unpublished sources of information, and, whenever possible, indexes and online transcriptions of source material. There are also pages which include researchers' surname interests related to Union County families. Anything that relates to genealogy or history in Union County is a candidate for inclusion or mention.
If you know of any Union County resources that should be included, please let me know. You can also address any other comments or questions to Robert Bremer.
Good luck with your genealogical and historical research in Union County, Ohio.
Union County is located in west central Ohio and its name is a result of the manner in which the county was created by the joining of or a union of parts of its neighboring counties. The county was formed in 1820 with territory taken from Delaware, Franklin, Logan, and Madison counties.
In 2000, the population of Union County was 47,234. The seat of county government is located in Marysville.
[Some of the following links are currently unavailable but should be back by mid-November]
You can also use the following form to search for any name(s) or word(s) appearing on pages located at this website.
The following is a list of other websites related to Union County.
Note that the websites listed above are unrelated to this website. If you recommend links or contribute data to these projects, please consider recommending those links or contributing data to this site as well.
This website is affiliated with the following projects:
Union County is bordered by Marion County to the northeast, Delaware County to the east, Franklin County to the southeast, Madison County to the south, Champaign County to the southwest, Logan County to the west, Hardin County to the northwest. The following is a list of OHGenWeb Project websites for counties which border Union County.