Image viewed in “Massachusetts, Town Clerk, Vital and Town Records, 1626–2001,” database, FamilySearch, DGS 7009555, image 71 (https://familysearch.org/ark:/61903/3:1:3QSQ-G97M-Y9PM-G : accessed 15 Dec. 2016). This volume is a transcription of earlier records, and for this entry it cites book B, page 90.
“John Davis, son of Bailey Davis and Hannah his wife, was born on Monday, December 15, 1800.”