The following data is extracted from Genealogy and Biography of Ontario County, New York.
James Prichard, the first of the line here under consideration of whom we have definite information, was a native of London. England, where he was reared and educated, and from whence he emigrated to this country, settling at Poughkeepsie, New York, prior to the revolutionary war. He was a silversmith by trade, which line of work he followed throughout his active career. He married, and among his children was Benjamin, of whom further.
Source: Genealogy and Biography of Ontario County, New York