John 'Jack' McCrohan 1900–1976
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
Compare a Public Tree Person with your own tree using Compare Tree.
- A 3 criteria (Strong)
- B 2 criteria (Medium)
- C 1 criteria (Basic)
- Record available
- Descendant's record available
- Star tree owner
2 researchers on YourRoots have John McCrohan in their family trees — each with their own records and documentation. Trace the migration path across 8 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
Researchers connected through John McCrohan 1900–1976
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and 1 more tree owner connected with John McCrohan 1900–1976
Immediate Family
Biography
The story of John 'Jack' McCrohan began in 1900 in San Angelo, Tom Green, TX. John 'Jack' McCrohan married mary berry, and had children including mary peterson. John 'Jack' McCrohan passed away in 1976 in Flagstaff, Coconino, AZ.
Sources
Life Timeline
Oldest Ancestor Line from John McCrohan
This ancestor line traces from Killenaule, Ireland (1680) to San Angelo, Tom Green, TX (1900) across 8 generations.
Frequently Asked Questions
- John McCrohan (1900–1976) was born in San Angelo, Tom Green, TX and died in Flagstaff, Coconino, AZ. 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 8 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
John McCrohan's Ancestors
Pedigree chart — 3 generations on record