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Martha Blair 1690–1760

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 Martha Blair in their family trees — each with their own records and documentation. Trace the migration path across 2 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 2 independent trees

Born 28 Aug 1690 · Pocomoke City, Worcester, Maryland, United States
Died 27 Aug 1760 · Frederick, Frederick, Maryland, United States
Father Samuel Alexander Immigrant 1657 1733 Ire To Md
Siblings Abigail Clapham Alexander, Andrew Alexander 6Th Paternal Great Grandfather, Catherine Alexander, David Alexander, Elias Alexander, Francis Alexander, Hezikiah Alexander, James Alexander, James Alexander 1685 1717, Jane Alexander, Martin Alexander, Mary Alexander, Mary Elizabeth Alexander, Moses Alexander, Samuel Alexander, Sarah Alexander Wallace Mrd Matthew Wallace, Sarah Alexander 6Th Paternal Great Aunt, Sophia Alexander

Researchers connected through Martha Blair 1690–1760

and 1 more tree owner connected with Martha Blair 1690–1760

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

Martha Blair was born in 1690 in Pocomoke City, Worcester, Maryland, United States, the child of samuel alexander immigrant 1657 1733 ire to md. Martha Blair passed away in 1760 in Frederick, Frederick, Maryland, United States.

Sources

Life Timeline

1690
Birth of Martha Blair in Pocomoke City, Worcester, Maryland, United States
Birth
1760
Death of Martha Blair in Frederick, Frederick, Maryland, United States
Death

Oldest Ancestor Line from Martha Blair

This ancestor line traces from Raphoe, County Donegal, Ireland (1657) to Pocomoke City, Worcester, Maryland, United States (1690) across 2 generations.

Direct Lineage
generations

Frequently Asked Questions

Martha Blair (1690–1760) was born in Pocomoke City, Worcester, Maryland, United States and died in Frederick, Frederick, Maryland, United States. 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 Martha 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 2 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.

Martha Blair's Ancestors

Pedigree chart — 3 generations on record

Self
Martha Blair PTP
1690–1760
Pocomoke City, Worcester, Maryland, United States
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Martha Blair's Descendants

1.
MB
Martha Blair PTP 1690–1760