Eustache DEMERS

Born

22 April 1770 , Sainte-Geneviève, Province of Québec, Canada

Died

29 April 1837 , Sainte-Geneviève, Lower Canada

Family Connections for Eustache DEMERS

Explore parents, grandparents, spouses, children, and the family connections surrounding Eustache DEMERS.

Parents

Eustache DEMERS Marie-Anne BRUNET dite LETANG

Grandparents

Explore grandparents

Spouse & Children

View family relationships1 recorded relationship(s)

Family Tree

Open family tree View pedigree chart

Eustache DEMERS was born 22 April 1770 in Sainte-Geneviève, Province of Québec, Canada

Eustache DEMERS was the child of Eustache DEMERS and Marie-Anne BRUNET dite LETANG

and the grandchild of: (paternal) Francois-De-Sales DEMERS (DUMAIS) and Marie-Anne LANTHIER (maternal) Joseph BRUNET dit LETANG and Marie-Françoise BARBARY dite GRANDMAISON

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

Eustache married Marguerite BREYER dite ST-PIERRE (BREILLE) 13 February 1792 in Sainte-Geneviève, Lower Canada . The couple had (at least) 1 child.
Marguerite BREYER dite ST-PIERRE (BREILLE) was born 17 February 1774 in Sainte-Geneviève, Québec, Canada (Pierrefonds)*. Marguerite died 9 April 1861 in Sainte-Geneviève, Québec, Canada (Pierrefonds)*. Marguerite was the child of Pierre BREYER dit ST-PIERRE (BREILLE) and Josephe TAILLON dite MICHEL.

Eustache DEMERS died 29 April 1837 in Sainte-Geneviève, Lower Canada .
Details of the family tree of Eustache 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.

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

Family and Children of Eustache DEMERS

[Hide/Show]

Eustache DEMERS married

Marguerite BREYER dite ST-PIERRE (BREILLE)-- Date: 13 February 1792 Place: Sainte-Geneviève, Lower Canada
Marguerite BREYER dite ST-PIERRE (BREILLE) was the child of Pierre BREYER dit ST-PIERRE (BREILLE) and Josephe TAILLON dite MICHEL

Children of Eustache DEMERS and Marguerite BREYER dite ST-PIERRE (BREILLE)

Jean-Baptiste DEMERS (b.4 June 1799, Pointe-Claire, Montréal, Lower Canada d. , )
m. Marguerite GEMME (JAMMES) dite CARRIERE 26 July 1819 in Sainte-Geneviève, Québec, Canada (Pierrefonds)*

Add Life Event

Add to the story of Eustache DEMERS
Add birth, baptism, census, military, obituary, achievements, photographs, and other life details.

[Hide/Show]

Life, Photos & Historical Records for Eustache DEMERS

1770 Birth
22 April 1770
Sainte-Geneviève, Province of Québec, Canada

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.

1784 - The bifocal lens is invented (Benjamin Franklin, United States)

The oil lamp is invented (Aimé Argand, Switzerland)

1791 - The Constitutional Act divides Québec into Upper and Lower Canada

1792 Marriage / Partner
Eustache DEMERS and Marguerite BREYER dite ST-PIERRE (BREILLE) 13 February 1792, Sainte-Geneviève, Québec, Canada (Pierrefonds)*

He was 21 years old.

1793 - The cotton gin is invented (Eli Whitney, United States)

1799 Birth of Child
Jean-Baptiste DEMERS was born 4 June 1799, Pointe-Claire, Montréal, Québec, Canada (Saint-Joachim-de-la-Pointe-Claire)

Eustache was 29 years old.

1800 - Electric storage battery is invented (Alessandro Volta, Italy)

1817 - The bicycle is invented (Baron Karl de Drais de Sauerbrun, Germany)

1818 - Canada's border is defined as the 49th Parallel from Lake of the Woods to the Rocky Mountains.

1819 Marriage of Child
Jean-Baptiste DEMERS married 26 July 1819, Sainte-Geneviève, Québec, Canada (Pierrefonds)* to Marguerite GEMME (JAMMES) dite CARRIERE

1820 - January 29 - George IV becomes King of England