Jean-François DEMERS (DUMAIS)

Born

6 November 1700 , La Prairie, Canada, New France

Died

30 September 1776 , La Prairie, Province of Québec, Canada

Parents & Family of Jean-François DEMERS (DUMAIS)

Explore parents, grandparents, spouses, children, and the family connections surrounding Jean-François DEMERS (DUMAIS).

Parents

François DEMERS (DUMAIS)Jeanne ROUANNAIS

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Born: 6 November 1700 in La Prairie, Canada, New France

Father: François DEMERS (DUMAIS)

Mother: Jeanne ROUANNAIS

Paternal grandparents: Étienne DEMERS (DUMAIS) , Françoise MORIN

Maternal grandparents: François ROUANNAIS , Jeanne-Perrine MEUNIER (LEMEUNIER)

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

Jean-François married Marie-Josephte DENEAU (DENIAU) 15 April 1720 in La Prairie, Canada, New France . The couple had (at least) 6 children.
Marie-Josephte DENEAU (DENIAU) was born 13 August 1702 in La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité). Marie-Josephte died 19 November 1765 in La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité). Marie-Josephte was the child of Jacques DENEAU (DENIAU) (DAIGNEAU) and Marie RIVET.

Jean-François DEMERS (DUMAIS) died 30 September 1776 in La Prairie, Province of Québec, Canada .
Details of the family tree of Jean-François 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 Jean-François DEMERS (DUMAIS)

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Jean-François DEMERS (DUMAIS) married

Marie-Josephte DENEAU (DENIAU)
Marriage date: 15 April 1720
Marriage place: La Prairie, Canada, New France
Marie-Josephte DENEAU (DENIAU) was the child of Jacques DENEAU (DENIAU) (DAIGNEAU) and Marie RIVET

Marriage notes:

Notre-Dame-de-LaPrairie-de-la-Madeleine, Québec

Children of Jean-François DEMERS (DUMAIS) and Marie-Josephte DENEAU (DENIAU)

Pierre DEMERS

Born: 4 May 1723, La Prairie, Canada, New France
Died: ,

Married: Marie-Josephe RUFIANGE dite LAVIOLETTE 21 March 1747 Place: Châteauguay, Québec, Canada (Saint-Joachim-de-Chateauguay)

Veronique-Ursule DEMERS

Born: 25 September 1727, La Prairie, Canada, New France
Died: 15 May 1800, La Prairie, Lower Canada

Married: Jacques ARTEAU 20 January 1749 Place: La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Marguerite DEMERS

Born: 3 April 1731, La Prairie, Canada, New France
Died: ,

Married: Jean-Marie LEFEBVRE 18 January 1751 Place: La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Marie-Josephe DEMERS

Born: 11 March 1735, La Prairie, Canada, New France
Died: ,

Married: Jean-Baptiste VILLEMART dit LASONDE 14 February 1757 Place: La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

René-Ambroise DEMERS

Born: 7 December 1737, La Prairie, Canada, New France
Died: ,

Married: Marie-Josephe EMARD (AYMARD) 7 February 1763 Place: La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Catherine DEMERS

Born: 29 May 1740, La Prairie, Canada, New France
Died: 1 September 1774, La Prairie, Province of Québec, Canada

Married: Joseph-Pascal ROUSSIN 18 February 1760 Place: La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

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Birth — 1700
6 November 1700
La Prairie, Canada, New France

1715 - September 1 - Louis XV becomes King of France

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

1720 Marriage / Partner
Jean-François DEMERS (DUMAIS) and Marie-Josephte DENEAU (DENIAU) 15 April 1720, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

He was 19 years old.

1723 Birth of Child
Pierre DEMERS was born 4 May 1723, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 22 years old.

1727 Birth of Child
Veronique-Ursule DEMERS was born 25 September 1727, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 26 years old.

1731 Birth of Child
Marguerite DEMERS was born 3 April 1731, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 30 years old.

1735 Birth of Child
Marie-Josephe DEMERS was born 11 March 1735, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 34 years old.

1737 Birth of Child
René-Ambroise DEMERS was born 7 December 1737, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 37 years old.

1740 Birth of Child
Catherine DEMERS was born 29 May 1740, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 39 years old.

1747 Marriage of Child
Pierre DEMERS married 21 March 1747, Châteauguay, Québec, Canada (Saint-Joachim-de-Chateauguay) to Marie-Josephe RUFIANGE dite LAVIOLETTE

1749 Marriage of Child
Veronique-Ursule DEMERS married 20 January 1749, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité) to Jacques ARTEAU

1751 Marriage of Child
Marguerite DEMERS married 18 January 1751 , La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité) to Jean-Marie LEFEBVRE

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

1757 Marriage of Child
Marie-Josephe DEMERS married 14 February 1757, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité) to Jean-Baptiste VILLEMART dit LASONDE

1760 Marriage of Child
Catherine DEMERS married 18 February 1760, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité) to Joseph-Pascal ROUSSIN

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.

1763 Marriage of Child
René-Ambroise DEMERS married 7 February 1763, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité) to Marie-Josephe EMARD (AYMARD)

1765 Death of Spouse/Partner
Marie-Josephte DENEAU (DENIAU) died 19 November 1765, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

1774 Death of Child
Catherine DEMERS died 1 September 1774, La Prairie, Québec, Canada (St-Philippe) (St-Jean-François-Régis) (La Nativité)

Jean-François was 73 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.