
OHGenWeb is a free Ohio genealogical and historical collection of information provided by volunteers. We hope you find helpful clues for your research of ancestors and relatives of Belmont County.

The OHGenWeb Project was created in 1996, and this Belmont County site has played it's part since the beginning! - Click HERE to learn more.
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Formed on September 1, 1801, Belmont County was one of Ohio's earliest counties. It originally was a county in the Northwest Territory. Residents named the county Belmont after the French term for "beautiful mountain." Thousands of settlers migrated westward through Belmont County along Zane's Trace. The National Road also passed through the county. Quakers were among the county's first residents and many of these people became outspoken critics of slavery. Among them was the famous abolitionist Benjamin Lundy.
The County Seat is St. Clairsville which is situated on an elevated site, in rich farming country, on the Old National Road (Now U.S. Route 40). St. Clairsville was named for Gen. Arthur St. Clair, Governor of the Northwest Territory.
Parent Counties: Jefferson and Washington counties.
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Thank you to Carol Montrose & Bernice Wilson who created, expanded and maintained this site for 20 years. All of her work and your future contributions help to ensure free genealogy information is available to everyone.
Page updated September 2025
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