Peter Mann (1783–1857) was born in New Jersey, United States and died in Lawrence, Lawrence, Illinois, United States. 2 researchers on YourRoots have this ancestor in their family trees.

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

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

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Peter Mann 1783–1857

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.

A Reliability

Reliability Score: A

Strong — 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 Peter Mann 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: July 22, 2026 · Reliability: A — verified across 2 independent trees, with linked records

Born 2 May 1783 · New Jersey, United States

Died 2 Jun 1857 · Lawrence, Lawrence, Illinois, United States

Father Ernest Mann

Mother Mary Magdalena Summers

Spouse Mary Kerr

Children Frances Fannie Mann

Siblings Ernest Mann Mann Jr

Records

1850 United States Federal Census Illinois Public Land Purchase Records

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Researchers connected through Peter Mann 1783–1857

and 1 more tree owner connected with Peter Mann 1783–1857

Immediate Family

Parents

Ernest Mann

Mary Magdalena Summers

Spouse(s)

Mary Kerr

Children

Frances Fannie Mann

Biography

The story of Peter Mann began in 1783 in New Jersey, United States. In 1850, Peter Mann resided in Lawrence, Illinois. Peter Mann married mary kerr, and had children including frances fannie mann. Peter Mann passed away in 1857 in Lawrence, Lawrence, Illinois, United States.

Sources

1

Census 1850 United States Federal Census
2

Record Illinois Public Land Purchase Records

Life Timeline

1783

Birth of Peter Mann in New Jersey, United States

Birth

1850

Peter Mann resided here in Lawrence, Illinois

Residence

1857

Death of Peter Mann in Lawrence, Lawrence, Illinois, United States

Death

Oldest Ancestor Line from Peter Mann

This ancestor line traces from Sussex, New Jersey (1753) to New Jersey, United States (1783) across 2 generations.

Direct Lineage

generations

Frequently Asked Questions

: Peter Mann (1783–1857) was born in New Jersey, United States and died in Lawrence, Lawrence, Illinois, 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 (A) based on cross-tree validation.
: Right now, 2 researchers on YourRoots have Peter 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.