The following data is extracted from Biographies of Croydon, Sullivan County, New Hampshire.
DAVID STOCKWELL was born in 1748. He came from Sutton, Mass., to Croydon, in 1772. He was a farmer, served honorably in the Revolutionary war, and died July 16, 1824. All by the name of Stockwell, who have originated in Croydon, have descended from him.
STILLMAN STOCKWELL, son of Giles, and grandson of David Stockwell, removed to the West, where he has become a wealthy farmer.
Source: Biographies of Croydon, Sullivan County, New Hampshire