Josias Cook was born about 1610 in England. He signed a will on 22 Sep 1673 in Eastham, Barnstable Co., Massachusetts. He died on 17 Oct 1673 in Eastham, Barnstable Co., Massachusetts. He was also known as Josiah Cooke. He was a tavern keeper. He was married to Elizabeth Ring on 16 Sep 1635 in Plymouth Colony.

Elizabeth Ring was born in England. She died on 3 May 1687 in Eastham, Barnstable Co., Massachusetts. Children of Josias Cook and Elizabeth Ring were:

i. Anna Cook was born about 1636. She died on 24 Jul 1656 in Eastham, Barnstable Co., Massachusetts.  She married Mark Snow on 18 Jan 1654/55 in Eastham, Barnstable Co., Massachusetts.
ii. Bethia Cook was born about 1640 in Plymouth Colony. She died on 17 Oct 1673 in Eastham, Barnstable Co., Massachusetts.
iii. Josiah Cooke.

Elizabeth Ring married first Stephen Dean about 1627 in Plymouth Colony.