Please note: this is not an exhaustive list.  Rather, it is a work in progress and will continue to change and grow as additional treasures are identified and made available online. 
 

 Statewide Resources

• Ohio Collections in the Opening History project
• Ohio Genealogical Society
• Ohio Historical Society
• OhioPix
• Remarkable Ohio: Marking Ohio's History
• Official Roster of the Soldiers of the State of Ohio in the War of the Rebellion, 1861-1866 (available via Hathi Trust and digitized by the University of Michigan)

Resources by County

A | B | C | D | F | G | H | I | J | K | L | M | N | O | P | S | V | W

Adams County

• Adams County Historical Society

Ashtabula County

• Ashtabula County Genealogical Society

Belmont County

• Bellaire Public Library Local History
• Digital Shoebox

Champaign County

• Champaign County Area Postcards: Glimpses of our Past

Clermont County

• Clermont County Genealogical Society
• Clermont County Historical Society

Cuyahoga County

• Westlake Local History Collections

Delaware County

• Big Walnut Memory
• Our Shared History

Franklin County

• Clintonville Historical Society
• Columbus in Photographs
• Grandview Heights / Marble Cliff Historical Society
• Granville Historical Society (Franklin County)
• Photohio
• Upper Arlington Archives
• Worthington Memory

Geauga County

• Bainbridge Memory
• Geauga County Public Library Photo Gallery
• Geauga County Genealogical Society
• Geauga Historical Society

Greene County

• Clifton Historical Society
• Greene County History and Genealogy

Hamilton County

• Virtual Library: Public Library of Cincinnati and Hamilton County

Hancock County

• Findlay-Hancock County Public Library: Local and Family History Resources

Harrison County

• Digital Shoebox
• Harrison County Genealogical Society

Hocking County

• Images of New Straitsville

Huron County

• Historical Pictures from the Willard, Ohio, Area

Jackson County

• Jackson County Genealogical Society
• Sylvester Memorial Wellston Public Library (Jackson County) Elizabeth Smith Genealogy Room

Jefferson County

• Digital Shoebox
• Henderson Memorial Public Library Digital Archives and Public History

Lawrence County

• Briggs Lawrence County Public Library, Phyllis Hamner Room

Licking County

• Digital Shoebox

Lorain County

• Columbia Historical Society
• Amherst Public Library Digital Collection
• Lorain Memory
• Oberlin Heritage Center

Lucas County

• Images in Time

Miami County

• Flesh Public Library (Miami County) Local History Department

Monroe County

• Digital Shoebox

Montgomery County

• Dayton Remembers
• Miamisburg Historical Society
• Mt. Sterling Public Library (Montgomery County) Genealogical Collections and Historical Photo Gallery (accessible from left-hand navigation bar)
• Oregon Historic District (Montgomery County)

Morgan County

• Digital Shoebox

Noble County

• Digital Shoebox

Paulding County

• Historical Paulding County Pictures

Perry County

• Digital Shoebox

Pike County

• Beaver Valley Historical Society Virtual Museum
• Pike County Genealogical Society

Richland County

• Richland County GenWeb

Sandusky County

• Rutherford B. Hayes Presidential Center
• Sandusky County Scrapbook
• Sandusky Historical Timeline

Scioto County

• Portsmouth Public Library Images Galleries

Seneca County

• Tiffin-Seneca Public Library Digital Library

Summit County

• Twinsburg Public Library Digital Archives
• Summit Memory Project (Special Collections Division of the Akron-Summit County Public Library)

Trumbull County

• North Bloomfield Historical Society
• Warren-Trumbull County Public Library, Tornado Memories Project

Van Wert County

• Van Wert County Genealogical Society

Warren County

• Warren County Historical Society

Washington County

• Digital Shoebox

Williams County

• Stryker Area Heritage Council, Virtual Museum (near bottom of page)

Wood County

• Black Swamp Memories

If you have question or comments, or would like us to add a link to your genealogical site, e-mail Shannon Kupfer