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Right now, 2 researchers on YourRoots have Thomas in their trees. The ancestor migration map traces 8 generations of this lineage.

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Thomas Crosby 1768–1844

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 2 independent trees

Birth year and location consistent across 2 trees

Death year and location consistent across 2 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

2 researchers on YourRoots have Thomas Crosby in their family trees — each with their own records and documentation. Trace the migration path across 8 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 2 independent trees, with linked records

Born 16 Jan 1768 · Dutchess County, New York

Died 16 Feb 1844 · Putnam County, New York, United States of America

Father Abner H Crosby

Mother Ruth Foster

Spouse Hannah Snow

Siblings Eleazer Crosby, Jane Crosby, Lowhama Crosby, Naomi Crosby, Nathaniel Foster Crosby, Reliance Crosby, Ruth Crosby, Stephen Crosby, Zenas Crosby

Records

U.S., Sons of the American … North America, Family Histories

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Researchers connected through Thomas Crosby 1768–1844

and 1 more tree owner connected with Thomas Crosby 1768–1844

Immediate Family

Parents

Abner H Crosby

Ruth Foster

Spouse(s)

Hannah Snow

Children

No children recorded

Biography

In 1768, Thomas Crosby entered the world in Dutchess County, New York, born to abner h crosby and ruth foster. Thomas Crosby married hannah snow. Thomas Crosby passed away in 1844 in Putnam County, New York, United States of America.

Sources

1

Record U.S., Sons of the American Revolution Membership Applications, 1889-1970
2

Record North America, Family Histories

Life Timeline

1768

Birth of Thomas Crosby in Dutchess County, New York

Birth

1844

Death of Thomas Crosby in Putnam County, New York, United States of America

Death

Oldest Ancestor Line from Thomas Crosby

This ancestor line traces from Upper Clatford, Hampshire, England (1550) to Dutchess County, New York (1768) across 8 generations.

Direct Lineage

generations

Frequently Asked Questions

: Thomas Crosby (1768–1844) was born in Dutchess County, New York and died in Putnam County, New York, United States of America. 2 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, 2 researchers on YourRoots have Thomas 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 8 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.