Jean Blais (1754–1829) was born in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada and died in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada. 2 researchers on YourRoots have this ancestor in their family trees.

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

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Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

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Jean Baptiste Blais 1754–1829

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

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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

2 researchers on YourRoots have Jean Blais 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: B — verified across 2 independent trees

Born 06 Oct 1754 · St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada

Died 19 Jun 1829 · St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada

Father Joseph Marie Blais

Mother Marie Charlotte Leblond

Siblings Andre Blais, Anne Francoise Blais, Augustin Blais, Charlotte Blais, Jean Baptiste Blais, Joseph Marie Blais, Louis Marie Blais, Marie Anne Francoise Blais, Marie Josette Blais, Marie Reine Blais, Pierre Michel Blais, Reine Blais

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Researchers connected through Jean Blais 1754–1829

and 1 more tree owner connected with Jean Blais 1754–1829

Immediate Family

Parents

Joseph Marie Blais

Marie Charlotte Leblond

Spouse(s)

No spouse recorded

Children

No children recorded

Biography

In 1754, Jean Baptiste Blais entered the world in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada, born to joseph marie blais and marie charlotte leblond. Jean Baptiste Blais passed away in 1829 in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada.

Sources

Life Timeline

1754

Birth of Jean Baptiste Blais in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada

Birth

1829

Death of Jean Baptiste Blais in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada

Death

Oldest Ancestor Line from Jean Blais

This ancestor line traces from St-Vallier, Bellechasse, Quebec, Canada (1717) to St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada (1754) across 2 generations.

Direct Lineage

generations

Frequently Asked Questions

: Jean Blais (1754–1829) was born in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada and died in St-Pierre-de-la-Rivière-du-Sud, Montmagny, Quebec, Canada. 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 Jean 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.