Seely, Jonas (c. 1710-1800)

Pennsylvania ironmaster, landowner, and judge.

With his brother Samuel, established a charcoal iron forge on Hay Creek. Judge of Philadelphia County (1751), then of Berks County (1752-70). Berks County treasurer. Captain (1756), later colonel, in Seven Years’ War; commissary at Fort William (1758). Shared leadership of defensive measures in Berks County with Conrad Weiser and James Read. Owned extensive lands in Berks and Cumberland Counties, in northeast Pennsylvania, and along the Ohio River.

Probably born in Orange County, New York. Married Hannah (—) Hartley (c. 1750); two children.