The following data is extracted from Genealogy and Biography of Ontario County, New York.
Jonathan (2), son of Jonathan (1) and Mary (Coe) Hart, was born in Bristol, 1773, and in early manhood changed his name to John. He was a farmer in Kirkland, Oneida county, New York. He married Orpha Chapin (see Chapin VI). Children: Susan Luana, married Nathan Heaton; Caroline Maria, married Truman Loomis; Seth Chapin, married Mary Oothout; Theodore Ephraim, see elsewhere; Polly Sophronia, married John M. Roe; Jonathan Walter; Orpha Harriet, married Rufus Edwards; Hiram George, married Marietta Terry; Eben Coe, died at Shreveport, Louisiana; David Wood, died in Lockport, New York.
Source: Genealogy and Biography of Ontario County, New York