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Cynthia Dunbar 1787–1872

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 5 independent trees
Birth year and location consistent across 5 trees
Death year and location consistent across 5 trees

Compare a Public Tree Person with your own tree using Compare Tree.

A Reliability
A
Reliability Score: A
Strong — 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

5 researchers on YourRoots have Cynthia Dunbar 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: A — verified across 5 independent trees, with linked records

Born 22 May 1787 · Keene, Cheshire, New Hampshire, USA
Died 12 MAR 1872 · Concord, Middlesex County, Massachusetts, United States of America
Father Asa Dunbar
Mother Mary Jones (1748–1830)
Spouse John Thoreau
Children Helen Thoreau, Henry David Thoreau, John Jr Thoreau, Sophia Thoreau
Siblings Charles Jones Dunbar, Louisa Dunbar

Researchers connected through Cynthia Dunbar 1787–1872

and 4 more tree owners connected with Cynthia Dunbar 1787–1872

Biography

Cynthia Dunbar was born in 1787 in Keene, Cheshire, New Hampshire, USA, the child of asa dunbar and mary jones. Cynthia Dunbar married john thoreau, and had children including helen thoreau, henry david thoreau, john jr thoreau, sophia thoreau. Cynthia Dunbar passed away in 1872 in Concord, Middlesex County, Massachusetts, United States of America.

Sources

  1. 1
    Burial Records U.S., Find a Grave® Index, 1600s-Current

  2. 2
    Record Biography & Genealogy Master Index (BGMI)

  3. 3
    Death Records Massachusetts, Death Records

  4. 4
    Baptism Records New Hampshire, Births and Christenings Index

  5. 5
    Birth Records New Hampshire, Birth Records

  6. 6
    Marriage Records Massachusetts, Marriages

Life Timeline

1787
Birth of Cynthia Dunbar in Keene, Cheshire, New Hampshire, USA
Birth
1872
Death of Cynthia Dunbar in Concord, Middlesex County, Massachusetts, United States of America
Death

Oldest Ancestor Line from Cynthia Dunbar

This ancestor line traces from Eltisley, Cambridgeshire, England (1566) to Keene, Cheshire County, New Hampshire, United States of America (1787) across 4 generations.

Direct Lineage
generations

Frequently Asked Questions

Cynthia Dunbar (1787–1872) was born in Keene, Cheshire, New Hampshire, USA and died in Concord, Middlesex County, Massachusetts, United States of America. 5 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 (A) based on cross-tree validation.
Right now, 5 researchers on YourRoots have Cynthia 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.

Cynthia Dunbar's Ancestors

Pedigree chart — 3 generations on record

Self
Cynthia Dunbar PTP
1787–1872
Keene, Cheshire, New Hampshire, USA
Parents
Unknown
Mary Jones PTP
1748–1830
Weston, Middlesex, Massachusetts
Grandparents
Unknown
Unknown
Unknown
Unknown

Cynthia Dunbar's Descendants

1.
CD
Cynthia Dunbar PTP 1787–1872