Who was Harold ISAAC?

Harold ISAAC (1911–1999) was born in Plympton, St Marys, Devonshire, England and died in Liverpool, New South Wales, Australia. 2 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Harold?

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

What records do they have for Harold?

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.

Harold Victor ISAAC 1911–1999

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.

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

2 researchers on YourRoots have Harold ISAAC 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: August 25, 2026 · Reliability: C — verified across 2 independent trees

Born 11 Dec 1911 · Plympton, St Marys, Devonshire, England

Died 9 Jan 1999 · Liverpool, New South Wales, Australia

Children Peter Isaac

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Researchers connected through Harold ISAAC 1911–1999

Immediate Family

Parents

Spouse(s)

No spouse recorded

Children

Peter Isaac

Biography

Harold Victor ISAAC was born in 1911 in Plympton, St Marys, Devonshire, England. Harold Victor ISAAC had children including peter isaac. Harold Victor ISAAC passed away in 1999 in Liverpool, New South Wales, Australia.

Sources

Life Timeline

1911

Birth of Harold Victor ISAAC in Plympton, St Marys, Devonshire, England

Birth

1999

Death of Harold Victor ISAAC in Liverpool, New South Wales, Australia

Death

Oldest Ancestor Line from Harold ISAAC

Direct Lineage

generations

Frequently Asked Questions

: Harold ISAAC (1911–1999) was born in Plympton, St Marys, Devonshire, England and died in Liverpool, New South Wales, Australia. 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 Harold 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

Harold ISAAC's Ancestors

Pedigree chart — 3 generations on record

Self

Harold Victor ISAAC PTP

1911–1999

Plympton, St Marys, Devonshire, England