Mary Mercer (1738–1797) was born in Chipping, Preston, Lancashire, PR3, England and died in Chipping, Preston, Lancashire, PR3, England. 2 researchers on YourRoots have this ancestor in their family trees.

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Right now, 2 researchers on YourRoots have Mary in their trees. The ancestor migration map traces 1 generations of this lineage.

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Mary Mercer 1738–1797

Public Tree Person

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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

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C Reliability

Reliability Score: C

Basic — based on the source tree

Grade scale

A 3 criteria (Strong)
B 2 criteria (Medium)
C 1 criteria (Basic)

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Descendant's record available
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2 researchers on YourRoots have Mary Mercer in their family trees — each with their own records and documentation. Trace the migration path across 1 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: C — verified across 2 independent trees

Born 7 Nov 1738 · Chipping, Preston, Lancashire, PR3, England

Died 23 Mar 1797 · Chipping, Preston, Lancashire, PR3, England

Spouse James Slaiter

Children Thomas Slater

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Researchers connected through Mary Mercer 1738–1797

and 1 more tree owner connected with Mary Mercer 1738–1797

Immediate Family

Parents

Spouse(s)

James Slaiter

Children

Thomas Slater

Biography

The story of Mary Mercer began in 1738 in Chipping, Preston, Lancashire, PR3, England. Mary Mercer married james slaiter, and had children including thomas slater. Mary Mercer passed away in 1797 in Chipping, Preston, Lancashire, PR3, England.

Sources

Life Timeline

1738

Birth of Mary Mercer in Chipping, Preston, Lancashire, PR3, England

Birth

1797

Death of Mary Mercer in Chipping, Preston, Lancashire, PR3, England

Death

Oldest Ancestor Line from Mary Mercer

Direct Lineage

generations

Frequently Asked Questions

: Mary Mercer (1738–1797) was born in Chipping, Preston, Lancashire, PR3, England and died in Chipping, Preston, Lancashire, PR3, England. 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 (C) 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 1 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

Mercer US Census Records

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Mary Mercer's Ancestors

Pedigree chart — 3 generations on record

Self

Mary Mercer PTP

1738–1797

Chipping, Preston, Lancashire, PR3, England