"Joseph Farnsworth was the son of Joseph and Mary Farnsworth, of Hartford, Connecticut, and the grandson of Samuel and Mary (Moses) Farnsworth, of Dorchester, Massachusetts, and Windsor, Connecticut. He studied medicine, and settled as a physician in Wethersfield, Connecticut. He served in an official capacity in the expedition against Cape Breton, in 1745.
About 1790 he removed to Fairfax, Franklin County, Vermont, where he died, early in July, 1804, at the age of 90. He married, in October, 1741, Mary Blinn, of Wethersfield, who bore him two daughters and four sons. She was born September 23, 1718, the second daughter of Deliverance and Mary (Stillman) Blinn. After her death he married Honour, elder daughter of Daniel and Mary (Howard) Williams, of Wethersfield, born November 28, 1726."