Louis MONGEAU

Born

24 October 1721 , Varennes, Canada, New France

Died

10 March 1797 , Varennes, Lower Canada

Parents & Family of Louis MONGEAU

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Parents

Jean-Pierre MONGEAU Marguerite LUSSIER

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Born: 24 October 1721 in Varennes, Canada, New France

Father: Jean-Pierre MONGEAU

Mother: Marguerite LUSSIER

Paternal grandparents: Jacques MONGEAU , Catherine MILLOT dite LAVAL

Maternal grandparents: Christophe LUSSIER , Catherine-Marie GAUTHIER

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

Louis married Agnès JACQUIÈRE (JACQUET) dite LEBLOND 23 January 1746 in Varennes, Canada, New France . The couple had (at least) 1 child.
Agnès JACQUIÈRE (JACQUET) dite LEBLOND was born 5 August 1720 in Trois-Rivières, Québec, Canada (Three Rivers). Agnès was the child of Jean JACQUIÈRE (JACQUET) dit LEBLOND and Chrétienne GUILLEMOT.

Louis married (2) Marie-Madeleine LACOSTE 12 November 1770 in Boucherville, Province of Québec, Canada . Marie-Madeleine LACOSTE was born 19 July 1724 in Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville). Marie-Madeleine was the child of Jean-Baptiste LACOSTE and Madeleine PINEAU (PINEAULT).

Louis MONGEAU died 10 March 1797 in Varennes, Lower Canada .
Details of the family tree of Louis 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 Everyday Life: The Average Man in 18th Century Quebec

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

Spouse & Children of Louis MONGEAU

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Louis MONGEAU married

Agnès JACQUIÈRE (JACQUET) dite LEBLOND
Marriage date: 23 January 1746
Marriage place: Varennes, Canada, New France
Agnès JACQUIÈRE (JACQUET) dite LEBLOND was the child of Jean JACQUIÈRE (JACQUET) dit LEBLOND and Chrétienne GUILLEMOT

Children of Louis MONGEAU and Agnès JACQUIÈRE (JACQUET) dite LEBLOND

Marie-Anne MONGEAU

Born: 15 October 1750, Varennes, Canada, New France
Died: 19 November 1821, Varennes, Lower Canada

Married: Joseph MESSIER 11 April 1768 Place: Varennes, Québec, Canada (Sainte-Anne-de-Varennes)

Louis MONGEAU married

Marie-Madeleine LACOSTE
Marriage date: 12 November 1770
Marriage place: Boucherville, Province of Québec, Canada
Source: Le Programme de recherche en démographie historique - Univeriste de Montreal

Marie-Madeleine LACOSTE was the child of Jean-Baptiste LACOSTE and Madeleine PINEAU (PINEAULT)

Children of Louis MONGEAU and Marie-Madeleine LACOSTE

No children are currently listed for this couple.

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Birth — 1721
24 October 1721
Varennes, Canada, New France

1746 Marriage / Partner
Louis MONGEAU and Agnès JACQUIÈRE (JACQUET) dite LEBLOND 23 January 1746, Varennes, Québec, Canada (Sainte-Anne-de-Varennes)

He was 24 years old.

1750 Birth of Child
Marie-Anne MONGEAU was born 15 October 1750, Varennes, Québec, Canada (Sainte-Anne-de-Varennes)

Louis was 28 years old.

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.

1768 Marriage of Child
Marie-Anne MONGEAU married 11 April 1768, Varennes, Québec, Canada (Sainte-Anne-de-Varennes) to Joseph MESSIER

1770 Marriage / Partner
Louis MONGEAU and Marie-Madeleine LACOSTE 12 November 1770, Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville)

He was 49 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.