The following data is extracted from Biographies of Croydon, Sullivan County, New Hampshire.
JOHN FERRIN married Hannah Jacobs, daughter of Whitman Jacobs, and after devoting several years to farming in Croydon, removed to Morristown, Vt., where he carried on a successful mercantile business, and where he occupied a prominent position in town. He was Representative two years, and an active justice until his death. He was a man of large physical and mental endowments. His eldest son, WHITMAN W., is a distinguished lawyer at Montpelier; and his second son, HARRISON, a worthy farmer, has been a Representative from Morristown.
Source: Biographies of Croydon, Sullivan County, New Hampshire