Who was Marie-Marguerite DUPLESSIS?

Marie-Marguerite DUPLESSIS (1637–1705) was born in Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France and died in Cote St Michel, Québec Ci, Province de Quebec, Canada. 8 researchers on YourRoots have this ancestor in their family trees.

How many people are researching Marie-Marguerite?

Right now, 8 researchers on YourRoots have Marie-Marguerite in their trees. The ancestor migration map traces 2 generations of this lineage.

What records do they have for Marie-Marguerite?

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

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Marie-Marguerite GAILLARD dit DUPLESSIS 1637–1705

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 8 independent trees

Birth year and location consistent across 8 trees

Death year and location consistent across 8 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

8 researchers on YourRoots have Marie-Marguerite DUPLESSIS 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: September 17, 2026 · Reliability: C — verified across 8 independent trees

Born 4 Dec 1637 · Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France

Died 1 Apr 1705 · Cote St Michel, Québec Ci, Province de Quebec, Canada

Father

Spouse Louis Saucier (1634–1677)

Children ,

Records

Quebec, Genealogical Dictionary of Canadian …

Researchers connected through Marie-Marguerite DUPLESSIS 1637–1705

and 7 more tree owners connected with Marie-Marguerite DUPLESSIS 1637–1705

Immediate Family

Parents

Spouse(s)

Louis Saucier

Children

Biography

In 1637, Marie-Marguerite GAILLARD dit DUPLESSIS entered the world in Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France, born to jean baptiste galliard dit du plessis. Marie-Marguerite GAILLARD dit DUPLESSIS married louis charles saucier, and had children including charles saucier, jean baptiste saucier. Marie-Marguerite GAILLARD dit DUPLESSIS passed away in 1705 in Cote St Michel, Québec Ci, Province de Quebec, Canada.

Sources

1

Record Quebec, Genealogical Dictionary of Canadian Families (Tanguay Collection), 1608-1890

Life Timeline

1637

Birth of Marie-Marguerite GAILLARD dit DUPLESSIS in Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France

Birth

1705

Death of Marie-Marguerite GAILLARD dit DUPLESSIS in Cote St Michel, Québec Ci, Province de Quebec, Canada

Death

1705

Burial of Marie-Marguerite GAILLARD dit DUPLESSIS in Ste. Foy, Capitale Nationale Region, Quebec, Province de Quebec, Canada

Burial

Oldest Ancestor Line from Marie-Marguerite DUPLESSIS

This ancestor line traces from Boulogne, Picardie Province, France (1617) to Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France (1637) across 2 generations.

Direct Lineage

generations

Frequently Asked Questions

: Marie-Marguerite DUPLESSIS (1637–1705) was born in Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France and died in Cote St Michel, Québec Ci, Province de Quebec, Canada. 8 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, 8 researchers on YourRoots have Marie-Marguerite 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.

Related Records

Marie-Marguerite DUPLESSIS's Ancestors

Pedigree chart — 3 generations on record

Self

Marie-Marguerite GAILLARD dit DUPLESSIS PTP

1637–1705

Notre Dame de Calais, Calais, Pas de Calais, Nord Pas de Calais, Picardie, France