William Chase was born on 8 Jul 1668 in Yarmouth, Barnstable Co., Massachusetts. He signed his will on 27 Sep 1771 in Harwich, Barnstable Co., Massachusetts and died between 27 Sep 1771  and 12 Nov 1771 when that will was probated. He was a Quaker. He was married to Patience Walker on 15 Oct 1747 in Harwich, Barnstable Co., Massachusetts.

Patience Walker was born about 1710. She died after 27 Sep 1771. Children were:

i. Edmund Chase.
ii. Patience Chase.
iii. Meribah Chase.