Who was John Callahan?

John Callahan (1865–1942) was born in Portobello, Dunedin, Otago, New Zealand and died in Gisborne, New Zealand. 2 researchers on YourRoots have this ancestor in their family trees.

How many people are researching John?

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

What records do they have for John?

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.

John William Callahan 1865–1942

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 John Callahan 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: C — verified across 2 independent trees

Born 05 Jan 1865 · Portobello, Dunedin, Otago, New Zealand

Died 12 Apr 1942 · Gisborne, New Zealand

Father Jeremiah Callaghan

Mother Jemima Mcleod

Spouse Ellen Skerratt Callahan

Children Elizabeth Bessie M Callahan

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Researchers connected through John Callahan 1865–1942

and 1 more tree owner connected with John Callahan 1865–1942

Immediate Family

Parents

Jeremiah Callaghan

Jemima Mcleod

Spouse(s)

Ellen Skerratt Callahan

Children

Elizabeth Bessie M Callahan

Biography

John William Callahan was born in 1865 in Portobello, Dunedin, Otago, New Zealand, the child of jeremiah callaghan and jemima mcleod. John William Callahan married ellen skerratt callahan, and had children including elizabeth bessie m callahan. John William Callahan passed away in 1942 in Gisborne, New Zealand.

Sources

Life Timeline

1865

Birth of John William Callahan in Portobello, Dunedin, Otago, New Zealand

Birth

1942

Death of John William Callahan in Gisborne, New Zealand

Death

Oldest Ancestor Line from John Callahan

This ancestor line traces from Caithness, Scotland (1839) to Portobello, Dunedin, Otago, New Zealand (1865) across 2 generations.

Direct Lineage

generations

Frequently Asked Questions

: John Callahan (1865–1942) was born in Portobello, Dunedin, Otago, New Zealand and died in Gisborne, New Zealand. 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 John 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.