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William Arnold 1728–1813

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.

B Reliability
B
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

2 researchers on YourRoots have William Arnold 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: B — verified across 2 independent trees

Born 2 Mar 1728 · Chichester, Sussex, Delaware, United States
Died 7 Jul 1813 · Bosham, Sussex, Delaware, United States
Father Mary Rupson
Spouse Mary Cosner
Children Elizabeth Arnold, George Arnold, John Arnold, Judith Arnold, Mary Arnold, Thomas Arnold, William Arnold

Researchers connected through William Arnold 1728–1813

and 1 more tree owner connected with William Arnold 1728–1813

Biography

The story of William Arnold began in 1728 in Chichester, Sussex, Delaware, United States. William Arnold married mary cosner, and had children including elizabeth arnold, george arnold, john arnold, judith arnold, mary arnold, thomas arnold, william arnold. William Arnold passed away in 1813 in Bosham, Sussex, Delaware, United States.

Sources

Life Timeline

1728
Birth of William Arnold in Chichester, Sussex, Delaware, USA
Birth
1728
Birth of William Arnold in Chichester, Sussex, England
Birth
1728
Birth of William Arnold in Chichester, Sussex, Delaware, United States
Birth
1813
Death of William Arnold in Bosham, Sussex, Delaware, USA
Death
1813
Death of William Arnold in Bosham, Sussex, England
Death
1813
Death of William Arnold in Bosham, Sussex, Delaware, United States
Death

Oldest Ancestor Line from William Arnold

This ancestor line traces from Pagham Sussex, England (1674) to Chichester, Sussex, Delaware, United States (1728) across 3 generations.

Direct Lineage
generations

Frequently Asked Questions

William Arnold (1728–1813) was born in Chichester, Sussex, Delaware, United States and died in Bosham, Sussex, Delaware, 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 (B) based on cross-tree validation.
Right now, 2 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 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.

William Arnold's Ancestors

Pedigree chart — 3 generations on record

Self
William Arnold PTP
1728–1813
Chichester, Sussex, Delaware, United States
Parents
Unknown
Unknown
Grandparents
Unknown
Unknown
Unknown
Unknown

William Arnold's Descendants

1.
WA
William Arnold PTP 1728–1813