Mary Foster (1652–1707) was born in Andover, Essex, Massachusetts, United States and died in Andover, Essex, Massachusetts, United States. 4 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Mary?

Right now, 4 researchers on YourRoots have Mary in their trees. The ancestor migration map traces 3 generations of this lineage.

What records do they have for Mary?

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

How do I compare family trees?

Use Compare Tree on an available researcher profile to compare overlapping people and records.

Mary Foster 1652–1707

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 Mary Foster in their family trees — each with their own records and documentation. Trace the migration path across 3 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 4 independent trees

Born 9 Jul 1652 · Andover, Essex, Massachusetts, United States

Died 18 Jun 1707 · Andover, Essex, Massachusetts, United States

Father Andrew Foster

Mother Ann Alcock

Siblings Abraham Foster, Andrew Foster, Fifth Foster, Hannah Foster, Sarah Foster

Records

American Marriages Before 1699 Family Data Collection - Individual … Family Data Collection - Marriages Salem Witches

Compare Tree

Researchers connected through Mary Foster 1652–1707

and 2 more tree owners connected with Mary Foster 1652–1707

Immediate Family

Parents

Andrew Foster

Ann Alcock

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

The story of Mary Foster began in 1652 in Andover, Essex, Massachusetts, United States. Mary Foster passed away in 1707 in Andover, Essex, Massachusetts, United States.

Sources

1

Marriage Records American Marriages Before 1699
2

Record Family Data Collection - Individual Records
3

Marriage Records Family Data Collection - Marriages
4

Record Salem Witches

Life Timeline

1652

Birth of Mary Foster in Andover, Essex, Massachusetts, United States

Birth

1707

Death of Mary Foster in Andover, Essex, Massachusetts, United States

Death

Oldest Ancestor Line from Mary Foster

This ancestor line traces from Essex, England (1552) to Andover, Essex, Massachusetts (1652) across 3 generations.

Direct Lineage

generations

Frequently Asked Questions

: Mary Foster (1652–1707) was born in Andover, Essex, Massachusetts, United States and died in Andover, Essex, Massachusetts, United States. 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 Mary 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 3 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.