John Baldwin was born in 1622 in England. He took the oath of freeman in 1670. He died on 25 Sep 1687 in Billerica, Middlesex Co., Massachusetts. He was married to Mary Richardson on 15 May 1655 in Woburn, Middlesex Co., Massachusetts.

Mary Richardson was born before 17 Nov 1638 in Charlestown, Suffolk Co., Massachusetts. She was baptized on 17 Nov 1638 in Charlestown, Suffolk Co., Massachusetts. Children were:

i. Mary Baldwin died on 1 Feb 1658 in Billerica, Middlesex Co., Massachusetts.
ii. Mary Baldwin was born on 28 Jul 1659 in Billerica, Middlesex Co., Massachusetts. She died on 1 Aug 1659 in Billerica, Middlesex Co., Massachusetts.
iii. Mary Baldwin was born on 11 Apr 1663 in Billerica, Middlesex Co., Massachusetts. She died on 22 Apr 1703.
iv. John Baldwin was born on 25 Sep 1665 in Billerica, Middlesex Co., Massachusetts. He died on 6 Apr 1736 in Billerica, Middlesex Co., Massachusetts.
v. Jonathan Baldwin.
vi. Ens. Thomas Baldwin was born on 26 Mar 1672 in Billerica, Middlesex Co., Massachusetts. He died on 12 Dec 1747 in Billerica, Middlesex Co., Massachusetts.
vii. Hannah Baldwin was born on 6 May 1670 in Billerica, Middlesex Co., Massachusetts.