Who was Mary Harrison?

Mary Harrison (1809–1842) was born in Vincennes, Knox, Indiana, USA and died in Cleves, Hamilton, Ohio, USA. 11 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Mary?

Right now, 11 researchers on YourRoots have Mary in their trees. The ancestor migration map traces 7 generations of this lineage.

What records do they have for Mary?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

How do I compare family trees?

Use Compare Tree on an available researcher profile to compare overlapping people and records.

Mary Symmes Harrison 1809–1842

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 11 independent trees

Birth year and location consistent across 11 trees

Death year and location consistent across 11 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

11 researchers on YourRoots have Mary Harrison in their family trees — each with their own records and documentation. Trace the migration path across 7 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 11 independent trees

Born 22 Jan 1809 · Vincennes, Knox, Indiana, USA

Died 16 Nov 1842 · Cleves, Hamilton, Ohio, USA

Father President William Henry Harrison

Mother Anna Tuthill Symmes

Siblings Anna Tuthill Harrison, Carter Bassett Harrison, Dr Benjamin Harrison, Elizabeth Betsey Bassett Harrison, James Findlay Harrison, John Cleves Symmes Harrison, John Scott Harrison, Lucy Singleton Harrison, William Henry Harrison

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Researchers connected through Mary Harrison 1809–1842

and 10 more tree owners connected with Mary Harrison 1809–1842

Immediate Family

Parents

President William Henry Harrison

Anna Tuthill Symmes

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

The story of Mary Symmes Harrison began in 1809 in Vincennes, Knox, Indiana, USA. Mary Symmes Harrison passed away in 1842 in Cleves, Hamilton, Ohio, USA.

Sources

Life Timeline

1809

Birth of Mary Symmes Harrison in Vincennes, Knox, Indiana, USA

Birth

1842

Death of Mary Symmes Harrison in Cleves, Hamilton, Ohio, USA

Death

Oldest Ancestor Line from Mary Harrison

This ancestor line traces from Northamptonshire, England (1594) to Vincennes, Knox County, Indiana, USA (1809) across 7 generations.

Direct Lineage

generations

Frequently Asked Questions

: Mary Harrison (1809–1842) was born in Vincennes, Knox, Indiana, USA and died in Cleves, Hamilton, Ohio, USA. 11 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, 11 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 7 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.