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Mary Polly Johnson 1744–1775

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 Mary Johnson 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: July 22, 2026 · Reliability: B — verified across 2 independent trees

Born 14 Oct 1744 · Johnstown New York Johnson Hall, Mohawk Valley, New York, USA
Died 11 Jul 1775 · fleeing to Canada, Fort Ontario, while feeing to Canada she was captured and died after child birth.
Father Sir Capt William Henry 1 St Baronet Superintendant Of Indian Affairs Warraghiyagey Johnson
Mother Catherine Weisenburg
Siblings Ann Claus, Ann Johnson, Archibald Johnston, Christian Brant, Christian Johnson, Easter Elizabeth Johnson, Elizabeth Johnson, Elizabeth Johnson Degonwadonti Brant Canagaradunkwa, English Lady Johnson, Governor Pensacola George Johnstone, Infant Baby Johnson, James Johnson, Jasmina Johnson, Magdalene Helena Degonwadonti Brant Canagaradunkwa Johnson, Margaret Degonwadonti Brant Canagaradunkwa Johnson, Mary Johnson, Nancy Johnson, Sir John Johnson, Susan Johnson, Susanna Johnson, Thomas Brant Johnson
Records
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Researchers connected through Mary Johnson 1744–1775

and 1 more tree owner connected with Mary Johnson 1744–1775

Immediate Family

Spouse(s)
No spouse recorded
Children
No children recorded

Biography

In 1744, Mary Polly Johnson entered the world in Johnstown New York Johnson Hall, Mohawk Valley, New York, USA, born to sir capt william henry 1 st baronet superintendant of indian affairs warraghiyagey johnson and catherine weisenburg. Mary Polly Johnson passed away in 1775 in fleeing to Canada, Fort Ontario, while feeing to Canada she was captured and died after child birth..

Sources

  1. 1
    Record Ancestry Family Tree

Life Timeline

1744
Birth of Mary Polly Johnson in Johnstown New York Johnson Hall, Mohawk Valley, New York, USA
Birth
1775
Death of Mary Polly Johnson in fleeing to Canada, Fort Ontario, while feeing to Canada she was captured and died after child birth.
Death

Oldest Ancestor Line from Mary Johnson

This ancestor line traces from Germany (1642) to Johnstown New York Johnson Hall, Mohawk Valley, New York, USA (1744) across 4 generations.

Direct Lineage
generations

Frequently Asked Questions

Mary Johnson (1744–1775) was born in Johnstown New York Johnson Hall, Mohawk Valley, New York, USA and died in fleeing to Canada, Fort Ontario, while feeing to Canada she was captured and died after child birth.. 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 Mary 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.

Related Records

Sir Capt William Henry 1 St Baronet Superintendant Of Indian Affairs Warraghiyagey Johnson
Father
Catherine Weisenburg
Mother
Johnson US Census Records
Browse all census records

Mary Johnson's Ancestors

Pedigree chart — 3 generations on record

Self
Mary Polly Johnson PTP
1744–1775
Johnstown New York Johnson Hall, Mohawk Valley, New York, USA
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

Mary Johnson's Descendants

1.
MJ
Mary Polly Johnson PTP 1744–1775