Margaret Thayer, daughter of Thomas Thayer and … (Female), was born in 1596 in Mendon, Worcester, MA and died on July 18, 1676 in Braintree, Norfolk, MA at the age of 80. She married William Hayward, son of John (William) Hayward and … (Female), on October 10, 1633. He was born in 1595 in Charlestown, Worcester, MA and died on May 10, 1659 in Braintree, Norfolk, Massachusetts at the age of 64.

Huldah Hayward, daughter of William Hayward and Margaret Thayer, was born on October 7, 1636 in Stepney, London, Middlesex, England and died on September 1, 1690 in Mendon, Worcester, Massachusetts at the age of 53. She married Ferdinando Thayer, son of Thomas Thayer and Margerie Wheeler, on January 14, 1652 in Braintree, Norfolk, Massachusetts. He was born on April 15, 1625 in Thornbury, England and died in 1626 in Mendon, Worcester, Massachusetts at the age of 8 months.

Isaac Thayer, son of Ferdinando Thayer and Huldah Hayward, was born on February 14, 1664 in Mendon, Worcester, Massachusetts and died in December 1754 in At Sea, Near Cape Ann, , Massachusetts at the age of 90. He married Mercy Ward, daughter of John Ward and Hannah Jackson, on April 12, 1691. She was born on January 27, 1668 in Cambridge, (Newton), Middlesex, MA and died on December 18, 1700 in Newton, Middlesex, Mass. at the age of 32.

Jonathan Thayer, son of Ferdinando Thayer and Huldah Hayward, was born on January 18, 1658 and died in 1686 at the age of 27. He married Elizabeth French, daughter of John French and Grace …, on June 22, 1679 in Medfield, MA. She was born on July 29, 1655 in Braintree, Norfolk, MA and died on October 3, 1703 in Medfield, MA at the age of 48.