Union County OH Genealogy

USA (1,379,301) > Ohio (59,207) > Union County (411)


Union County Records by City/Town

Darby Genealogy (28)
Dublin Genealogy (42)
Jerome Genealogy (38)
Magnetic Springs Genealogy (30)


Marysville Genealogy (93)
Milford Center Genealogy (35)
Richwood Genealogy (56)
York in Union County Genealogy (29)


Overview of Union County Records

  • Union County was created in 1820 from Franklin, Madison, Logan, and Delaware counties.
  • Copies of birth and death certificates from 1908 and later can be ordered from the Ohio Department of Health.
  • The Union County Recorder has land records from 1819.
  • The Union County Probate Court has birth records from 1867 to 1908, marriage records from 1820, death records from 1867 to 1908, and probate records from 1820.
  • The Union County Clerk Court has court records from 1820.
  • Online indexes and images of many of the above records can be found by using the links on this site.