Or perhaps the Lydia Huntington born 31 Dec 1771 in Middletown Conn to that relative Rev Enoch Huntington wife Mary - would have known cousin Enoch as a child who died in Preston and was close to them?
The US Int'l Marriage index ref Lydia b.1771 in CT married a William Groat.
This 1771 birthdate for Lydia would be more in line with the events?