John Snow was born about 1638 in Plymouth Colony. He took the oath of freeman on 5 Jun 1684 in Eastham, Barnstable Co., Massachusetts. He died in 1692 in Eastham, Barnstable Co., Massachusetts. The inventory of his estate was taken on 4 Apr 1692 by John Freeman and William Walker. He was married to Mary Smalley on 19 Sep 1667 in Eastham, Barnstable Co., Massachusetts.

Mary Smalley was born on 11 Dec 1647 in Eastham, Barnstable Co., Massachusetts. She was baptized on 27 Feb 1647/48 in Barnstable Church, Barnstable, Barnstable Co., Massachusetts. She died about 1703 in Eastham, Barnstable Co., Massachusetts. Her estate was inventoried by Josiah Cook Sr. and Joseph Young Sr. on 22 Nov 1703. She was also known as Mary Small. Children were:

i. Hannah Snow was born on 26 Aug 1670 in Eastham, Barnstable Co., Massachusetts. She married Hezekiah Doane about 1691 in Eastham, Barnstable Co., Massachusetts.
ii. Mary Snow was born on 10 Mar 1671/72 in Eastham, Barnstable Co., Massachusetts.
iii. Abigail Snow.
iv. Rebecca Snow was born on 23 Jul 1676 in Eastham, Barnstable Co., Massachusetts. She died on 31 Aug 1753 in Salisbury, Litchfield Co., Connecticut. She married Benjamin Smalley about 1694 in Eastham, Barnstable Co., Massachusetts.
v. John Snow was born on 3 May 1678 in Eastham, Barnstable Co., Massachusetts. He died in Oct 1738 in Duck Creek, Kent Co., Delaware.
vi. Isaac Snow was born on 10 Aug 1683 in Eastham, Barnstable Co., Massachusetts. He died before 15 Feb 1748 in Duck Creek, Kent Co., Delaware.
vii. Lydia Snow was born on 29 Sep 1685 in Eastham, Barnstable Co., Massachusetts.
viii. Elisha Snow was born on 10 Jan 1686/87 in Eastham, Barnstable Co., Massachusetts. He died before 8 Feb 1752 in Duck Creek, Kent Co., Delaware.
ix. Phebe Snow was born on 27 Jun 1689 in Eastham, Barnstable Co., Massachusetts.

Mary Smalley married 2nd Ephraim Doane after 20 April 1692.