Who was William Osborn?

William Osborn (1645–1728) was born in Weymouth, Norfolk, Massachusetts, United States and died in Salem, Essex, Massachusetts, United States. 4 researchers on YourRoots have this ancestor in their family trees.

How many people are researching William?

Right now, 4 researchers on YourRoots have William in their trees. The ancestor migration map traces 2 generations of this lineage.

What records do they have for William?

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.

William Osborn 1645–1728

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 4 independent trees

Birth year and location consistent across 4 trees

Death year and location consistent across 4 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

4 researchers on YourRoots have William Osborn 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: August 25, 2026 · Reliability: B — verified across 4 independent trees

Born 15 Apr 1645 · Weymouth, Norfolk, Massachusetts, United States

Died 29 Jan 1728 · Salem, Essex, Massachusetts, United States

Father John Walter Osborn

Mother Mary Knight

Siblings Ann Osborn, Elizabeth Osborn, Ephraim Osborn, Henry Osborn, Martha Osborn, Mary Osborn, Patience Knight, Patience Osborn, Walter Osborn

Records

American Genealogical-Biographical Index (AGBI) Millennium File U.S., New England Marriages Prior … Netherlands, GenealogieOnline Trees Index Massachusetts, Town and Vital Records Massachusetts, Compiled Marriages

Compare Tree

Researchers connected through William Osborn 1645–1728

and 2 more tree owners connected with William Osborn 1645–1728

Immediate Family

Parents

John Walter Osborn

Mary Knight

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

The story of William Osborn began in 1645 in Weymouth, Norfolk, Massachusetts, United States. William Osborn passed away in 1728 in Salem, Essex, Massachusetts, United States.

Sources

1

Record American Genealogical-Biographical Index (AGBI)
2

Record Millennium File
3

Marriage Records U.S., New England Marriages Prior to 1700
4

Record Netherlands, GenealogieOnline Trees Index
5

Vital Records Massachusetts, Town and Vital Records
6

Marriage Records Massachusetts, Compiled Marriages

Life Timeline

1645

Birth of William Osborn in Weymouth, Norfolk, Massachusetts, United States

Birth

1728

Death of William Osborn in Salem, Essex, Massachusetts, United States

Death

Oldest Ancestor Line from William Osborn

This ancestor line traces from Of Devonshire, England (1600) to Weymouth, Norfolk, Massachusetts, United States (1645) across 2 generations.

Direct Lineage

generations

Frequently Asked Questions

: William Osborn (1645–1728) was born in Weymouth, Norfolk, Massachusetts, United States and died in Salem, Essex, Massachusetts, United States. 4 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, 4 researchers on YourRoots have William 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.