It is likely that James was the grandson of another James Crase, born in Gwithian in 1586, son of Henry Crase .
--------------------------
Named in the 1672 Will of Daniel Donithorn as James Crase of Phillack, yeoman, [bondsman]
Admon. granted 18 Jan 1674/5 to James Crase of Gwithian et al., from the Will of John White of Gwithian
Named in the 1676 Will of John Pascow, husbandman of Gwithian
Named in the 1679 Will of Elizabeth White of Gwithian, widow, as one of the witnesses and inventory takers.
Named in the 1681 Will of Thomas Cock of Gwithian as bondsman.
Named in the 1681 Will of his father-in-law Reginald King of Gwinear as husband of his daughter Katherine.
Named in the 1689 Will of Nathaniel Roberts, labourer of Gwithian, as bondsman and one of the inventory takers.