Note: no birth record found, just this death record, perhaps a stillbirth?
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QG1K-SN4K : Sat Mar 09 01:34:21 UTC 2024), Entry for Sarah Safford and Thomas Safford, 10 July 1702.