YourRoots by Genomelink
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

Isaac Thayer 1664–1754 – Genealogical Records

Birth Date: ABT 14 Feb 1664

Birth Location: Mendon, Essex, Massachusetts Bay Colony

Death Date: ABT Dec 1754

Death Location: Mendon, Worcester, Province of Massachusetts Bay

Father: Ferdinando Thayer

Mother: Huldah Hayward

Spouse(s): Mercy Rockwood, Mary Unknown

Children(s):

The story of Isaac Thayer began in 1664 in Mendon, Essex, Massachusetts Bay Colony. Isaac Thayer married Mary Unknown, Mercy Rockwood. Isaac Thayer passed away in 1754 in Mendon, Worcester, Province of Massachusetts Bay.

Find more search results for Isaac Thayer
IT

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
C
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • The story of Isaac Thayer began in 1664 in Mendon, Essex, Massachusetts Bay Colony.
  • Isaac Thayer married Mary Unknown, Mercy Rockwood.
  • Isaac Thayer passed away in 1754 in Mendon, Worcester, Province of Massachusetts Bay.

Immediate Family

Parents

Spouses(s)

Children(s)

Isaac Thayer's Ancestors

Self
Isaac Thayer
1664–1754
Birth Place: Mendon, Essex, Massachusetts Bay Colony
Parents
Ferdinando Thayer
1625–1713
Thornbury, Gloucestershire, England
Huldah Hayward
1636–1690
Stepney, Middlesex, England
Grandparents
Thomas Thayer
1596–1665
Thornbury, Gloucestershire, England
Margery Wheeler
1600–1673
Thornbury, Gloucestershire, England
William Hayward
1608–1659
England
Margery Knight
1610–1676
England
Great-Grandparents
Richard Thayer
1562–1625
Ursula Dimery
1568–1627
Abel Wheeler
1563–1613
Jane Shephard
1567–1629
John Hayward
1583–1639
Hannah Wheeler
1585–
2nd-Great-Grandparents
John Thayer
1535–1584
Mary Unknown
1535–1611
Thomas Dimery
1530–1578
Marian Gayner
1538–1578
John Shepard
1540–
Johanne Pamoore
1543–
John Hayward
1550–
Margery Unknown
1563–

Isaac Thayer's Timeline

2 Records

1664
ABT 14 Feb 1664
Birth of Isaac Thayer in Mendon, Essex, Massachusetts Bay Colony
Mendon, Essex, Massachusetts Bay Colony
1754
ABT Dec 1754
Age 90
Death of Isaac Thayer in Mendon, Worcester, Province of Massachusetts Bay
Mendon, Worcester, Province of Massachusetts Bay

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: ABT 14 Feb 1664
    Event Place: Mendon, Essex, Massachusetts Bay Colony

    Genealogy Event 2
    Event Type: Death
    Event Date: ABT Dec 1754
    Event Place: Mendon, Worcester, Province of Massachusetts Bay

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like "Trace Back To Me" instantly map your family's migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond "end-of-line" automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans "end-of-line" ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you're away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches' maps and trees to identify shared ancestors, and soon you'll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE