William Forrester, who was born at Coleraine, in the North of Ireland, son of Frederick and Jane (Gault) Forrester, grandson of William, and great-grandson of Rev. William Forrester, who went from Berwick-upon-Tweed to Londonderry, Ireland.
He sailed from Coleraine with his brother Arthur Forrester, 29 Aug. 1762; arrived at New Castle, on the Delaware River, 27 Oct 1762; went to New York City, 7 Nov. 1762; and thence to Ridgefield, Conn., in Nov. 1766. He was a trader, gained a handsome property, and had a large influence in his neighborhood. He resided in the Society of Ridgebury, where he died of apoplexy, 29 Jan. 1809, "in his 66th year."
(SOURCE: The Whitney Family of Connecticut (1878) by Stephen Whitney Phoenix, Vol 1, pages 71-72).