Union County, Ohio Genealogy

United States Ohio  Union County

Historical Facts

 * Parent Counties: Formed from Delaware, Franklin, Logan and Madison Counties in 1820).
 * County Seat: Marysville
 * Neighboring Counties: residents may also have records in Hardin (northwest)·Madison (south)·Logan (west)· Champaign (southwest)·Marion (northeast)·Delaware (east)· Franklin (southeast)

Parent County
1820--Union County was created 10 January 1820 from Franklin, Madison, Logan, and Delaware Counties. County seat: Marysville

Boundary Changes
See an interactive map of Union County boundary changes.

Neighboring Counties

 * Champaign
 * Delaware
 * Franklin
 * Hardin
 * Logan
 * Madison
 * Marion

Cemeteries

 * Oakdale Cemetery, Marysville BillionGraves

Military

 * 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

Vital Records
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.

Family History Centers

 * Introduction to LDS Family History Centers

Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.