[Note: sic! The year given in one of these records is off by one. Given birthdate of Lydia in 1713, I would suspect marriage occurred in 1731, but Charles T. Libby says 1730 and he carries more weight. I don't have births of children, which could provide a clue.]
(Int.) Benjamin Stacy & Lydia Libby both of Kittery - Sep't ye 19th 1731.
Marriages Consumated by y Rev'd Mr Jn'o Rogers minister of the Upper Parish in Kittery: Benj'a Stacy & Lydia Libby of Kittery - Octob'r 17 1730.