Who was Mary Williams?

Mary Williams (1606–1681) was born in Caversham, Oxford, England and died in Hull, Plymouth, Massachusetts, USA. 8 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Mary?

Right now, 8 researchers on YourRoots have Mary in their trees. The ancestor migration map traces 5 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 Williams 1606–1681

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 8 independent trees

Birth year and location consistent across 8 trees

Death year and location consistent across 8 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

8 researchers on YourRoots have Mary Williams in their family trees — each with their own records and documentation. Trace the migration path across 5 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 8 independent trees

Born 12 Oct 1606 · Caversham, Oxford, England

Died 14 Dec 1681 · Hull, Plymouth, Massachusetts, USA

Father Robert Williams Cromwell

Mother Agnes Atkins

Records

Family Data Collection - Deaths Family Data Collection - Marriages Millennium File U.S. and Canada, Passenger and … U.S. and International Marriage Records, … U.S., New England Marriages Prior … The New England Historical & …

Compare Tree

Researchers connected through Mary Williams 1606–1681

and 7 more tree owners connected with Mary Williams 1606–1681

Immediate Family

Parents

Robert Williams Cromwell

Agnes Atkins

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

Mary Williams was born in 1606 in Caversham, Oxford, England, the child of robert williams cromwell and agnes atkins. Mary Williams passed away in 1681 in Hull, Plymouth, Massachusetts, USA.

Sources

1

Record Family Data Collection - Deaths
2

Marriage Records Family Data Collection - Marriages
3

Record Millennium File
4

Immigration U.S. and Canada, Passenger and Immigration Lists Index, 1500s-1900s
5

Marriage Records U.S. and International Marriage Records, 1560-1900
6

Marriage Records U.S., New England Marriages Prior to 1700
7

Record The New England Historical & Genealogical Register

Life Timeline

1606

Birth of Mary Williams in Caversham, Oxford, England

Birth

1681

Death of Mary Williams in Hull, Plymouth, Massachusetts, USA

Death

Oldest Ancestor Line from Mary Williams

This ancestor line traces from Lanishen, Glamorganshire, Wales (1437) to Caversham, Oxford, England (1606) across 5 generations.

Direct Lineage

generations

Frequently Asked Questions

: Mary Williams (1606–1681) was born in Caversham, Oxford, England and died in Hull, Plymouth, Massachusetts, USA. 8 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, 8 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 5 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.