Son of Hezekiah Newcomb and Jerusha Bradford
He resided with his father in Lebanon until the death of the latter in 1772, when he was one of the excutors of the will and received as his share of the estate "seventeen acres with the dwelling house." James Newcomb was elected hayward in 1766; surveyor of highways in 1774. While residing in Lebanon, he was said to have been the stoutest man ever born in that town. He removed to the state of New York; was residing in Little Hoosac, Albancy Co., 1in 1782; removed, 1785, to Stephentown, Rensselaer Co. James married Submit Downer, daughter of Samuel Downer and Phebe Bishop, on 11 Sep 1755 in Lebanon, New London Ct, was buried in Old Cemetery (Jonathan Trumbull) New London, CT.