"… Thankful da. Theophilus & Lydia (Smith) Alling, wid. William Grannis, … d 29 June 1787 æ. 60 (church record, Congregational Society, East Haven); …"
This record implies a date of birth around 1727. Since her first Grannis child was born about 1734, one or more of the associated records with her is defective.