She died aged 61 years. (sources: gravestone inscription & Vital Records of Ipswich, MA to the end of the year 1849)
Abigail Goodhue Knowlton was the daughter of Nathaniel (1730-1777) and Elizabeth (about 1734-1811) Goodhue of Ipswich, Essex County, Massachusetts. She was christened in Ipswich 20 Jan 1760, and married DeaconThomas Knowlton Jr 18 Mar 1785 in Ipswich. Abigail's grandparents were William Goodhue (1699-1772) and his wife Ruth (Preston) Goodhue (1710-1764).