This could be Rebekah Dow, not Lydia? See (from FamilySearch Record Search, Maine Marriages):
Groom name Joshua Follansbee Little
Bride name Rebekah Dow
Marriage date 02 Apr 1793
Marriage place Newcastle, Lincoln, Maine
Batch number M52113-1
Record group Maine-EASy
Film number 11573
Reference number bk 573 p 2-427