Who was Isaac Cushman?

Isaac Cushman (1648–1732) was born in Plymouth and died in Plympton. 7 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Isaac?

Right now, 7 researchers on YourRoots have Isaac in their trees. The ancestor migration map traces 24 generations of this lineage.

What records do they have for Isaac?

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.

Isaac Cushman 1648–1732

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 7 independent trees

Birth year and location consistent across 7 trees

Death year and location consistent across 7 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

7 researchers on YourRoots have Isaac Cushman in their family trees — each with their own records and documentation. Trace the migration path across 24 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 7 independent trees, with linked records

Born 8 Feb 1648 · Plymouth

Died 21 Oct 1732 · Plympton

Father Thomas Cushman

Mother Mary Allerton

Siblings Eleazer Cushman, Elkanah Cushman, Fear Cushman, Lydia Cushman, Mary Cushman, Sarah Cushman, Thomas Cushman

Records

North America, Family Histories Mayflower Births and Deaths, Vol. …

Compare Tree

Researchers connected through Isaac Cushman 1648–1732

and 6 more tree owners connected with Isaac Cushman 1648–1732

Immediate Family

Parents

Thomas Cushman

Mary Allerton

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

The story of Isaac Cushman began in 1648 in Plymouth. Isaac Cushman passed away in 1732 in Plympton.

Sources

1

Record North America, Family Histories
2

Record Mayflower Births and Deaths, Vol. 1 and 2

Life Timeline

1648

Birth of Isaac Cushman in Plymouth

Birth

1732

Death of Isaac Cushman in Plympton

Death

Oldest Ancestor Line from Isaac Cushman

This ancestor line traces from Toulouse, Jura, Franche-Comte, France (1000) to Plymouth, Plymouth, Massachusetts, United States (1648) across 24 generations.

Direct Lineage

generations

Frequently Asked Questions

: Isaac Cushman (1648–1732) was born in Plymouth and died in Plympton. 7 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, 7 researchers on YourRoots have Isaac 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 24 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.

Related Records

Isaac Cushman's Ancestors

Pedigree chart — 3 generations on record

Self

Isaac Cushman PTP

1648–1732

Plymouth