Marie-Louise TANGUAY

Born

26 August 1723 , Saint-Jean-de-l'Île-d'Orléans, Canada, New France

Died

28 August 1803 , Saint-Charles-de-Bellechasse, Lower Canada

Parents & Family of Marie-Louise TANGUAY

Explore parents, grandparents, spouses, children, and the family connections surrounding Marie-Louise TANGUAY.

Parents

Jean-Baptiste TANGUAY Marie-Françoise-Geneviève BLAIS

Grandparents

Explore grandparents

Spouse & Children

View family relationships1 recorded relationship(s)

Family Tree

Open family tree View pedigree chart

Born: 26 August 1723 in Saint-Jean-de-l'Île-d'Orléans, Canada, New France

Father: Jean-Baptiste TANGUAY

Mother: Marie-Françoise-Geneviève BLAIS

Paternal grandparents: Jean-Baptiste TANGUAY , Marie BROCHU

Maternal grandparents: Pierre BLAIS , Françoise BEAUDOIN

Spouse(s)/Partner(s) and Child(ren):

Marie-Louise married Pierre MERCIER 9 November 1744 in Saint-Vallier, Canada, New France . The couple had (at least) 6 children.
Pierre MERCIER was born abt. 1712 in Québec Province, Canada (Quebec). Pierre died 21 January 1787 in Saint-Charles-de-Bellechasse, Québec, Canada . Pierre was the child of Pierre MERCIER and Marie-Madeleine GAGNE.

Marie-Louise TANGUAY died 28 August 1803 in Saint-Charles-de-Bellechasse, Lower Canada .
Details of the family tree of Marie-Louise appear below.

Québec Généalogie - Over time, Québec has gone through a series of name changes
From its inception in the early 1600s until 1760, it was called Canada, New France.
1760 to 1763, it was simply Canada
1763 to 1791 - Province of Québec
1791 to 1867 - Lower Canada
1867 to present - Québec, Canada.

Thanks to Micheline Gadbois MacDonald for providing this information.

A Glimpse into the Life of an 18th Century Québécois Woman: Navigating the Challenges of Mid-1700s

The Definitive Guide for Researching Your French-Canadian Ancestors in 2025

Spouse & Children of Marie-Louise TANGUAY

Hide Family & Children

Marie-Louise TANGUAY married

Pierre MERCIER
Marriage date: 9 November 1744
Marriage place: Saint-Vallier, Canada, New France
Pierre MERCIER was the child of Pierre MERCIER and Marie-Madeleine GAGNE

Children of Pierre MERCIER and Marie-Louise TANGUAY

Pierre MERCIER

Born: 20 February 1746, Berthier-sur-Mer, Canada, New France
Died: 9 June 1802, Saint-Jean-Port-Joli, Lower Canada

Married: Marguerite FORTIN 8 January 1770 Place: Saint-Jean-Port-Joli, Québec, Canada

Augustin MERCIER

Born: 26 September 1750, Berthier-sur-Mer, Canada, New France
Died: 29 August 1816, Saint-Charles-de-Bellechasse, Lower Canada

Joseph MERCIER

Born: 6 July 1752, Berthier-sur-Mer, Canada, New France
Died: ,

Marie-Genevieve MERCIER

Born: 18 June 1754, Berthier-sur-Mer, Canada, New France
Died: 25 June 1783, Saint-Charles-de-Bellechasse, Province of Québec, Canada

Marie-Louise MERCIER

Born: 14 December 1756, Berthier-sur-Mer, Canada, New France
Died: 2 July 1806, Saint-Gervais, Bellechasse, Lower Canada

Francoise MERCIER

Born: 8 February 1764, Berthier-sur-Mer, Province of Québec, Canada
Died: 15 January 1840, Berthier-sur-Mer, Lower Canada

Add Life Event

Have another record or photo?
Add a life event, census record, military record, obituary, achievement, or photograph for Marie-Louise TANGUAY.

Life & Records

Photos, life events, and historical records for Marie-Louise TANGUAY.

Hide Life & Records

How to read this timeline
Records about Marie-Louise TANGUAY and family appear alongside historical events from the same years. Each item is labeled so you can quickly tell family records from historical context.

Birth — 1723
26 August 1723
Saint-Jean-de-l'Île-d'Orléans, Canada, New France

1744 Marriage / Partner
Marie-Louise TANGUAY and Pierre MERCIER 9 November 1744 , Saint-Vallier, Québec, Canada

She was 21 years old.

1746 Birth of Child
Pierre MERCIER was born 20 February 1746, Berthier-sur-Mer, Québec, Canada (Berthier-en-Bas) (Berthier)

Marie-Louise was 22 years old.

1750 Birth of Child
Augustin MERCIER was born 26 September 1750, Berthier-sur-Mer, Québec, Canada (Berthier-en-Bas) (Berthier)

Marie-Louise was 27 years old.

1752 Birth of Child
Joseph MERCIER was born 6 July 1752, Berthier-sur-Mer, Québec, Canada (Berthier-en-Bas) (Berthier)

Marie-Louise was 28 years old.

1753 - The lightning rod is invented (Benjamin Franklin, United States)

1754 Birth of Child
Marie-Genevieve MERCIER was born 18 June 1754, Berthier-sur-Mer, Québec, Canada (Berthier-en-Bas) (Berthier)

Marie-Louise was 30 years old.

1756 Birth of Child
Marie-Louise MERCIER was born 14 December 1756, Berthier-sur-Mer, Québec, Canada (Berthier-en-Bas) (Berthier)

Marie-Louise was 33 years old.

1763 - France cedes its North American posessions to Britain by the Treaty of Paris, ending the Seven Years War (French and Indian War). Quebec City French-speaking Catholics were now under the rule of Protestant Britain under King George III.

1764 Birth of Child
Francoise MERCIER was born 8 February 1764, Berthier-sur-Mer, Québec, Canada (Berthier-en-Bas) (Berthier)

Marie-Louise was 40 years old.

1770 Marriage of Child
Pierre MERCIER married 8 January 1770, Saint-Jean-Port-Joli, Québec, Canada to Marguerite FORTIN

1775 - The Battle of Québec was fought on December 31 between the American Continental Army and British defenders of Québec City. It was the first major defeat for the Americans in the Revolutionary War.