John Ayer was born in 1592 in England. He took the oath of freeman on 4 Nov 1645. He signed a will on 12 Mar 1657 and died on 31 Mar 1657 in Haverhill, Essex Co., Massachusetts. His estate was probated on 6 Oct 1657. He was married to Hannah Everard.

Hannah Everard died on 8 Oct 1688 in Haverhill, Essex Co., Massachusetts. Children were:

i. Robert Ayer was born about 1625.
ii. Rebecca Ayer was born about 1627.
iii. Peter Ayer was born about 1633 in England. He died on either 2 Jan 1698/99 in Boston, Suffolk Co., Massachusetts or 22 Dec 1729, I haven't researched further.
iv. Mary Ayer.
v. Thomas Ayer was born about 1636. He died on 9 Nov 1686 in Haverhill, Essex Co., Massachusetts.
vi. Obadiah Ayers was born about 1643 in Newbury, Essex Co., Massachusetts. He died on 14 Nov 1694 in Woodbridge, Middlesex Co., New Jersey.
vii. Hannah Ayer.
viii. John Ayer was born on 5 May 1646 in Haverhill, Essex Co., Massachusetts. He died before 1711.
ix. Nathaniel Ayer was born about 1646. He died on 17 Nov 1717 in Haverhill, Essex Co., Massachusetts.