John Bigger was a native of Pennsylvania and an early immigrant to the Northwest Territory.
He contracted with John Cleves Symmes to purchase land northwest of the current site of Lebanon, Ohio.
[1][2] Bigger was elected to the Ohio House of Representatives in the 1st General Assembly, (1803), when his home was still in Hamilton County.
[3] Warren County was erected during this legislative session, and included Bigger's home.
[5] In 1803, Bigger was elected to the Ohio State Senate from a district that included his new county, and served in the 2nd through 4th General Assemblies, (1803–1806).