Thérèse GAGNON

Born

21 March 1705 , Château-Richer, Canada, New France

Died

21 May 1777 , Saint-Nicolas, Lévis, Province of Québec, Canada

Parents & Family of Thérèse GAGNON

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Parents

Jean GAGNON Thérèse ROCHON

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Born: 21 March 1705 in Château-Richer, Canada, New France

Father: Jean GAGNON

Mother: Thérèse ROCHON

Paternal grandparents: Jean GAGNON , Marguerite RACINE

Maternal grandparents: Gervais ROCHON (ROCHERON) , Marie-Madeleine GUYON

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

Thérèse married Louis DEMERS 11 February 1730 in Château-Richer, Canada, New France . The couple had (at least) 3 children.
Louis DEMERS was born 12 November 1703 in Québec, Québec, Canada (Quebec City). Louis was the child of Jean DEMERS (DUMAIS) and Jeanne ARRIVEE (LARRIVÉE) dite DESLISLE.

Thérèse GAGNON died 21 May 1777 in Saint-Nicolas, Lévis, Province of Québec, Canada .
Details of the family tree of Thérèse appear below.

Gagnon Family Legacy - Ceramic Mug

Did you know that most people with the Gagnon name came from three sons of Pierre Gagnon (Gaignon) and Renee Roger of Tourouvre, France, who came to New France (Quebec) around 1637? Mathurin, Jean and Pierre Gagnon, along with their wives did much to populate North America with the proud Gagnon surname!

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 Thérèse GAGNON

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Thérèse GAGNON married

Louis DEMERS
Marriage date: 11 February 1730
Marriage place: Château-Richer, Canada, New France
Louis DEMERS was the child of Jean DEMERS (DUMAIS) and Jeanne ARRIVEE (LARRIVÉE) dite DESLISLE

Children of Louis DEMERS and Thérèse GAGNON

Louis DEMERS

Born: 1 April 1731, Saint-Nicolas, Lévis, Canada, New France
Died: 9 July 1775, Saint-Nicolas, Lévis, Province of Québec, Canada

Married: Genevieve HUARD dite DESILETS 7 February 1752 Place: Lauzon, Lévis, Québec, Canada (Saint-Joseph-de-la-Pointe-de-Lévy)

Jean-Baptiste DEMERS

Born: 22 May 1741, Saint-Nicolas, Lévis, Canada, New France
Died: 8 May 1814, Saint-Nicolas, Lévis, Lower Canada

Married: Genevieve LOIGNON 19 November 1764 Place: Saint-Nicolas, Lévis, Québec, Canada

Marie-Helene DEMERS

Born: 15 January 1748, Saint-Nicolas, Lévis, Canada, New France
Died: 29 September 1766, Saint-Nicolas, Lévis, Province of Québec, Canada

Married: Jean-Baptiste ROUSSEAU 22 July 1766 Place: Saint-Nicolas, Lévis, Québec, Canada

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Records about Thérèse GAGNON 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 — 1705
21 March 1705
Château-Richer, Canada, New France

1715 - September 1 - Louis XV becomes King of France

1720 - June 10 - Mrs Clements of England markets first paste-style mustard

1730 Marriage / Partner
Thérèse GAGNON and Louis DEMERS 11 February 1730, Château-Richer, Québec, Canada (La Visitation-de-Notre-Dame de Chateau-Richer)

She was 24 years old.

1731 Birth of Child
Louis DEMERS was born 1 April 1731, Saint-Nicolas, Lévis, Québec, Canada

Thérèse was 26 years old.

1741 Birth of Child
Jean-Baptiste DEMERS was born 22 May 1741, Saint-Nicolas, Lévis, Québec, Canada

Thérèse was 36 years old.

1748 Birth of Child
Marie-Helene DEMERS was born 15 January 1748, Saint-Nicolas, Lévis, Québec, Canada

Thérèse was 42 years old.

1752 Marriage of Child
Louis DEMERS married 7 February 1752, Lauzon, Lévis, Québec, Canada (Saint-Joseph-de-la-Pointe-de-Lévy) to Genevieve HUARD dite DESILETS

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

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 Marriage of Child
Jean-Baptiste DEMERS married 19 November 1764, Saint-Nicolas, Lévis, Québec, Canada to Genevieve LOIGNON

1766 Marriage of Child
Marie-Helene DEMERS married 22 July 1766, Saint-Nicolas, Lévis, Québec, Canada to Jean-Baptiste ROUSSEAU

1766 Death of Child
Marie-Helene DEMERS died 29 September 1766, Saint-Nicolas, Lévis, Québec, Canada

Thérèse was 61 years old.

1775 Death of Child
Louis DEMERS died 9 July 1775, Saint-Nicolas, Lévis, Québec, Canada

Thérèse was 70 years old.

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.