Peter Jr. (1722–1799) was born in Mendon, Worcester County, Massachusetts, USA and died in Northbridge, Worcester County, Massachusetts, USA. 3 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Peter?

Right now, 3 researchers on YourRoots have Peter in their trees. The ancestor migration map traces 3 generations of this lineage.

What records do they have for Peter?

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

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Peter Aldrich Jr. 1722–1799

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 3 independent trees

Birth year and location consistent across 3 trees

Death year and location consistent across 3 trees

Compare a Public Tree Person with your own tree using Compare Tree.

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)

Verification checklist

Record available
Descendant's record available
Star tree owner

3 researchers on YourRoots have Peter Jr. in their family trees — each with their own records and documentation. Trace the migration path across 3 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 3 independent trees

Born 14 Nov 1722 · Mendon, Worcester County, Massachusetts, USA

Died 17 Mar 1799 · Northbridge, Worcester County, Massachusetts, USA

Father Peter Aldrich

Mother Hannah Hayward

Spouse Esther Comstock

Children Peter Aldrich Iii

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Researchers connected through Peter Jr. 1722–1799

and 2 more tree owners connected with Peter Jr. 1722–1799

Immediate Family

Parents

Spouse(s)

Children

Biography

The story of Peter Aldrich Jr. began in 1722 in Mendon, Worcester County, Massachusetts, USA. Peter Aldrich Jr. married esther comstock, and had children including peter aldrich iii. Peter Aldrich Jr. passed away in 1799 in Northbridge, Worcester County, Massachusetts, USA.

Sources

Life Timeline

1722

Birth of Peter Aldrich Jr. in Mendon, Worcester County, Massachusetts, USA

Birth

1745

Peter Aldrich Jr. was married in Jamestown, Newport, Rhode Island, United States

Marriage

1745

Peter Aldrich Jr. was married in Uxbridge, Worcester County, Massachusetts, USA

Marriage

1785

Peter Aldrich Jr. was married in Swansea, Bristol, Massachusetts, USA

Marriage

1799

Death of Peter Aldrich Jr. in Northbridge, Worcester County, Massachusetts, USA

Death

Oldest Ancestor Line from Peter Jr.

This ancestor line traces from Mendon, Worcester, Massachusetts, USA (1644) to Mendon, Worcester County, Massachusetts, USA (1722) across 3 generations.

Direct Lineage

generations

Frequently Asked Questions

: Peter Jr. (1722–1799) was born in Mendon, Worcester County, Massachusetts, USA and died in Northbridge, Worcester County, Massachusetts, USA. 3 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, 3 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 3 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.