Ohio Fast Facts and Key Resources

By Jana Sloan Broglin Premium

Ohio Genealogy Fast Facts

  • Statehood: 1803
  • First extant federal census: 1820
  • Available state censuses: Quadrennial voter “censuses” (1803-1911) on FHL microfilm
  • Statewide birth and death records begin: 1908
  • Statewide marriage records begin: 1949
  • Public-land state
  • Counties: 17 in 1803; 88 today; boundaries finalized in 1888
  • Contact for vital records: Ohio Department of Health, Vital Statistics, Box 15098, Columbus, OH 43215, (614) 466-2531, 

Ohio Genealogy Websites, Books and Organizations

Books and Publications
  • Genealogical Research in Ohio, 2nd edition, by Kip Sperry (Genealogical Publishing Co.)
  • Ohio Cemeteries, 1803-2003 edited by Roger Troutman (OGS)
  • Ohio Courthouse Records by Diane VanSkiver Gagel (OGS)
  • Ohio Genealogical Research by George K. Schweitzer (George K Schweitzer)
  • Ohio Towns and Townships to 1900: A Location Guide by Julie Minot Overton (OGS)
  • Ohio Wills and Estates to 1850 by Carol Willsey Bell (Genealogical Publishing Co.)
Archives and Organizations


1763 France cedes land east of the Mississippi to Britain in the Treaty of Paris

1814 America’s first oil well is drilled at Caldwell

1832 The Ohio and Erie Canal links the Ohio River at Portsmouth with Lake Erie at Cleveland

1833 The country’s first integrated, coeducational college opens in Oberlin
1869 Cincinnati’s Red Stockings become the first professional baseball team

1879 James Ritty of Dayton patents the cash register

1901 Actor Clark Gable is born in the eastern Ohio town of Cadiz

1937 Ohio River flooding in January and February devastates southern Ohio

1955 The Ohio Turnpike opens across northern Ohio

1969 Wapakoneta’s Neil Armstrong is the first man on the moon

1978 “WKRP in Cincinnati” sitcom debuts on CBS

1995 Rock and Roll Hall of Fame and Museum opens in Cleveland


Modern Map of County Boundaries

From the January/February 2017 Family Tree Magazine