YourRoots by Genomelink

Joanna Duncan 1681–1760

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
B
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 Joanna Duncan in their family trees — each with their own records and documentation. Trace the migration path across 13 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

Born 9 Apr 1681 · Billerica, Middlesex, Massachusetts, USA
Died 14 Nov 1760 · Dracut, Middlesex, Massachusetts, USA
Father John Duncan
Mother Joanna Jefts
Spouse John Coburn
Children Joanah Coburn
Siblings Deliverance Duncan

Researchers connected through Joanna Duncan 1681–1760

and 1 more tree owner connected with Joanna Duncan 1681–1760

Immediate Family

Biography

The story of Joanna Duncan began in 1681 in Billerica, Middlesex, Massachusetts, USA. Joanna Duncan married john coburn, and had children including joanah coburn. Joanna Duncan passed away in 1760 in Dracut, Middlesex, Massachusetts, USA.

Sources

Life Timeline

1681
Birth of Joanna Duncan in Billerica, Middlesex, Massachusetts, USA
Birth
1760
Death of Joanna Duncan in Dracut, Middlesex, Massachusetts, USA
Death

Oldest Ancestor Line from Joanna Duncan

This ancestor line traces from Norfolk, England (1272) to Billerica, Middlesex, Massachusetts, USA (1681) across 13 generations.

Direct Lineage
generations

Frequently Asked Questions

Joanna Duncan (1681–1760) was born in Billerica, Middlesex, Massachusetts, USA and died in Dracut, Middlesex, Massachusetts, USA. 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 Joanna 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 13 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.

Joanna Duncan's Ancestors

Pedigree chart — 3 generations on record

Self
Joanna Duncan PTP
1681–1760
Billerica, Middlesex, Massachusetts, USA
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Joanna Duncan's Descendants

1.
JD
Joanna Duncan PTP 1681–1760