What is the name of the Christian saint who founded the monastery where Cædmon cared for the animals?
Cædmon:  c." AD 657–684) is the earliest English (Northumbrian) poet whose name is known. Hilda of Whitby: Hilda of Whitby or Hild of Whitby (c. 614–680) is a Christian saint and the founding abbess of the monastery at Whitby, which was chosen as the venue for the Synod of Whitby.
Hilda of Whitby