Incomplete. Information not yet verified.
https://historylines.com/story.j
Isaac was born on 24 September 1695, in Mendon, Worcester, Massachusetts. His mother was Mercy Rockwood and was 27 years old when Isaac was born. His father was Isaac Thayer and was 31 years old at the time. His older siblings, Mercy and Mary, were twins and were 2 years old when he was born.
Isaac's brother, Ebenezer, was born 6 September in Mendon, when Isaac was about 1 year old.
Isaac's sister, Comfort, was born 19 February in Mendon, when Isaac was 3 years old.
Isaac's mother Mercy Rockwood passed away 18 December 1700 in Mendon, Suffolk, Massachusetts at the age of 32, leaving 5 motherless children. Isaac was 5 years old.
Isaac married second Mary about 1702 and had children: Nathaniel, Moses, Joseph, Samuel, John, Ichabod, Patience and Jerusha.
On 18 May 1716, Isaac was 20 when he married his first cousin, Miriam Thayer who was 16 at the time. They were married in Mendon, Suffolk, Massachusetts.
On 24 November 1716, Isaac's daughter, Susannah, was born in Mendon, Suffolk, Massachusetts. Isaac was 21 years old and Miriam was 17. This was the first of 13 children.
On 4 July 1719, Isaac's son, Isaac, was born in Mendon, when Isaac was 23 years old.
On 31 March 1721, Isaac's son, Ichabod, was born in Mendon, when Isaac was 25 years old.
Son Josiah born, 1721
The family moved to Bellingham, Suffolk, Massachusetts, and on 4 September 1721, Isaac's son, Josiah, was born. Isaac was 25 years old.
On 4 September 1726, Isaac's son, Jacob, was born in Bellingham, Suffolk, Massachusetts. Isaac was 30 years old.
On 20 November 1729, Isaac's son, Abraham, was born in Bellingham and died the same day. Isaac was 34 years old.
On 20 November 1730, Isaac's daughter, Miriam, was born in Bellingham when Isaac was 35 years old.
On 20 November 1730, Isaac's daughter, Eunice, was born in Bellingham when Isaac was 35 years old.
Isaac's sister Mercy Thayer passed away in Mendon, Worcester, Massachusetts, United States at the age of 37. Isaac was 35.
On 12 May 1732, Isaac's daughter, Mercy, was born in Bellingham when Isaac was 36 years old.
On 25 October 1734, Isaac and Miriam had another son and named him Abraham, after their baby who died. Isaac was 39 years old. The family was living in Bellingham, Suffolk, Massachusetts.
On 16 September 1736, Isaac's son, Noah, was born in Bellingham when Isaac was 40 years old. He died 10 days later.
On 22 September 1737, Isaac's daughter, Rebecca, was born in Bellingham when Isaac was 41 years old.
On 16 November 1738, Isaac's last child, a daughter, Bathsheba, was born in Bellingham when Isaac was 43 years old.
Daughter, Susannah, our ancestor, married Isaac Johnson on 22 March 1740 in Bellingham, Suffolk, Massachusetts.
Isaac's child Jacob Thayer passed away in Bellingham, Suffolk, Massachusetts, at the age of 21. Isaac was 51.
When Isaac was 56, his wife Miriam Thayer passed away about 1749. No record of death has been found, but he remarried in 1750. Isaac and Miriam were married about 35 years.
There is some question about when Isaac died. From the information we have at present, he died about 1763 when he was about 68 years old. He may have died in Mendon, Worcester, Massachusetts.