John FOSTER (1666–1741) was born in Marshfield, Plymouth, Massachusetts, United States and died in Plymouth, Plymouth, Massachusetts, United States. 6 researchers on YourRoots have this ancestor in their family trees.

How many people are researching John?

Right now, 6 researchers on YourRoots have John in their trees. The ancestor migration map traces 4 generations of this lineage.

What records do they have for John?

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

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John FOSTER 1666–1741

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 6 independent trees

Birth year and location consistent across 6 trees

Death year and location consistent across 6 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

6 researchers on YourRoots have John FOSTER 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: August 25, 2026 · Reliability: B — verified across 6 independent trees

Born 12 Oct 1666 · Marshfield, Plymouth, Massachusetts, United States

Died 24 Dec 1741 · Plymouth, Plymouth, Massachusetts, United States

Father John Foster

Mother Martha Tompkins

Siblings Bartholomew Foster, Benjamin Foster, Captain Thomas Foster, David Foster, Ebenezer Foster, Edward Foster, Elizabeth Foster, Hannah Foster, John Foster, John Foster Jr, Jonathan Foster, Jonathon Foster, Joseph Foster, Joseph Ropes Foster, Josiah Foster, Martha Foster, Mary Foster, Mary Jane Foster, Rebecca Foster, Samuel Foster, Samuel P Foster

Records

U.S., Find a Grave Index Mayflower Gedcom File from the …

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Researchers connected through John FOSTER 1666–1741

and 5 more tree owners connected with John FOSTER 1666–1741

Immediate Family

Parents

John Foster

Martha Tompkins

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

John FOSTER was born in 1666 in Marshfield, Plymouth, Massachusetts, United States, the child of john foster and martha tompkins. John FOSTER passed away in 1741 in Plymouth, Plymouth, Massachusetts, United States.

Sources

1

Burial Records U.S., Find a Grave Index
2

Record Mayflower Gedcom File from the Internet

Life Timeline

1666

Birth of John FOSTER in Marshfield, Plymouth, Massachusetts, United States

Birth

1741

Death of John FOSTER in Plymouth, Plymouth, Massachusetts, United States

Death

Oldest Ancestor Line from John FOSTER

This ancestor line traces from Lydd, Kent, , England (1565) to Marshfield, Plymouth, Massachusetts, United States (1666) across 4 generations.

Direct Lineage

generations

Frequently Asked Questions

: John FOSTER (1666–1741) was born in Marshfield, Plymouth, Massachusetts, United States and died in Plymouth, Plymouth, Massachusetts, United States. 6 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, 6 researchers on YourRoots have John 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.