Jael Thayer (1633–1701) was born in Thornbury, Gloucestershire, England and died in Braintree, Norfolk, Massachusetts, USA. 4 researchers on YourRoots have this ancestor in their family trees.

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Right now, 4 researchers on YourRoots have Jael in their trees. The ancestor migration map traces 4 generations of this lineage.

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Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

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Jael Thayer 1633–1701

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 4 independent trees

Birth year and location consistent across 4 trees

Death year and location consistent across 4 trees

Compare a Public Tree Person with your own tree using Compare Tree.

B Reliability

Reliability Score: B

Medium — based on the source tree

Grade scale

A 3 criteria (Strong)
B 2 criteria (Medium)
C 1 criteria (Basic)

Verification checklist

Record available
Descendant's record available
Star tree owner

4 researchers on YourRoots have Jael Thayer in their family trees — each with their own records and documentation. Trace the migration path across 4 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: July 22, 2026 · Reliability: B — verified across 4 independent trees

Born 02 Jun 1633 · Thornbury, Gloucestershire, England

Died 10 Mar 1701 · Braintree, Norfolk, Massachusetts, USA

Father Richard Thayer Ii

Mother Dorothy Mortimore

Siblings Cornelius Thayer, Deborah Thayer, Elizabeth Thayer, Esther Hester Thayer, Mary Thayer, Nathaniel Thayer, Richard Thayer Iii, Sarah Thayer, Zachariah Thayer

Records

Millennium File U.S. and International Marriage Records, … U.S., New England Marriages Prior … The New England Historical & …

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Researchers connected through Jael Thayer 1633–1701

and 3 more tree owners connected with Jael Thayer 1633–1701

Immediate Family

Parents

Richard Thayer Ii

Dorothy Mortimore

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

Jael Thayer was born in 1633 in Thornbury, Gloucestershire, England, the child of richard thayer ii and dorothy mortimore. Jael Thayer passed away in 1701 in Braintree, Norfolk, Massachusetts, USA.

Sources

1

Record Millennium File
2

Marriage Records U.S. and International Marriage Records, 1560-1900
3

Marriage Records U.S., New England Marriages Prior to 1700
4

Record The New England Historical & Genealogical Register

Life Timeline

1633

Birth of Jael Thayer in Thornbury, Gloucestershire, England

Birth

1701

Death of Jael Thayer in Braintree, Norfolk, Massachusetts, USA

Death

Oldest Ancestor Line from Jael Thayer

This ancestor line traces from Thornbury, Gloucestershire, England (1530) to Thornbury, Gloucestershire, , England (1633) across 4 generations.

Direct Lineage

generations

Frequently Asked Questions

: Jael Thayer (1633–1701) was born in Thornbury, Gloucestershire, England and died in Braintree, Norfolk, Massachusetts, USA. 4 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (B) based on cross-tree validation.
: Right now, 4 researchers on YourRoots have Jael in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 4 generations of this lineage geographically.
: It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
: Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.