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Jacob Nash, was a son of James and Alice Nash. He was called a son of James and Alice in a deed dated 21 May 1666, when James gave him 20 acres of land north of the commons in Weymouth, Massachusettts and a house on the land. [Suffolk County Deeds, V:82.]
The gift of land may have been a wedding present, because about 1666, Jacob married Abigail Dyer. She was born in Weymouth 9 July 1647, the daughter of Thomas and Agnes (Reed) Dyer. George Walter Chamberlain, History of Weymouth, 4:422.
Jacob was on the list of freemen at Weymouth in 1665, indicating that he was at least 21 years old then. Lucius R. Paige, List of Freemen, Register, 3(1849):240.
Jacob fought in King Philip's War against the Indians, participating in the Narragansett Campaign in central Rhode Island in 1675. On 24 June 1676, he was stationed at Punckapauge, an Indian village about ten miles southwest of Weymouth. George Madison Bodge, Soldiers in King Philip's War (Boston, 1906), pages 82, 364.
On 13 October 1680, he was quartermaster of the Hingham and Weymouth militia. He was a member of a horse-mounted troop and in June 1689, was promoted to the rank of lieutenant. On 20 January 1690/1, Lieutenant Jacob Nash was on a list of nominees for majors and captains for an expedition into Canada, but his name was later crossed out. He was referred to as Lieutenant Jacob Nash on 14 October 1691 and 26 April 1692. He must have been named captain of the troop, since he was referred to as Captain Nash in a document dated 17 January 1693/4. George Walter Chamberlain, History of Weymouth, 4:422; Gilbert Nash, "Nash Family," manuscript at the New England Historic Genealogical Society, page 13; Massachusetts Colonial Court Records, 16:134, 37:218, 377-8.
Jacob died at Weymouth on 13 March 1717/8. [Weymouth Vital Records, 2:306.] His will was written 4 January 1716/7 and proved 21 April 1718. He mentioned his wife, Abigail, eldest son, Joseph, sons John, James, Benjamin and Thomas, grandson Jacob, son of James, and daughters Mary Porter, Alice Reed, Sarah Pool, Abigail Eager and Experience Nash. Joseph received land "where his house now stands," John land where his home now stands, James land in Abington and one half of his saw mill standing there and land "on the Hingham shore line," Jacob land in Abington and Thomas two houses and land. [Suffolk County Probate, 20:391.] Abigail was still living in 1724, when she was mentioned in the town records. [Gilbert Nash, "Nash Family," manuscript at the New England Historic Genealogical Society, page 20.]