flag male ancestor  Eustache  DEMERS

  (b. 27 January 1771 Sainte-Geneviève, Province of Québec, Canada   d. 17 December 1845 Montréal, Canada East )  

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Eustache DEMERS was born 27 January 1771 in Sainte-Geneviève, Province of Québec, Canada

Eustache DEMERS was the child of Joseph DEMERS   and   Marie Anne LEFEBVRE dite LACISERAYE and the grandchild of: (paternal)  Jean-Baptiste DEMERS (DUMAIS) and Marie-Anne LAUZON (maternal)  Joseph LEFEBVRE dit LACISERAYE and Barbe ST DENIS

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

Eustache  married  Marie-Elisabeth FRESNAY 5 October 1795 in Montréal, Lower Canada .  The couple had (at least) 1 child.
Marie-Elisabeth FRESNAY  was born 23 January 1776 in Montréal, Québec, Canada (Sault-au-Récollet) (Côte-St-Michel) (Côte-St-Paul).  Marie-Elisabeth died 17 June 1849 in Montréal, Québec, Canada (Sault-au-Récollet) (Côte-St-Michel) (Côte-St-Paul).  Marie-Elisabeth was the child of Leonard FRESNAY and Cecile DUBE.

Eustache DEMERS died 17 December 1845 in Montréal, Canada East .
Details of the family tree of Eustache appear below.

Did You Know? 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.

Family and Children of Eustache DEMERS

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Eustache DEMERS married flag female ancestor Marie-Elisabeth FRESNAY-- Date: 5 October 1795 Place: Montréal, Lower Canada
Marie-Elisabeth FRESNAY was the child of Leonard FRESNAY and Cecile DUBE


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Children of Eustache DEMERS and Marie-Elisabeth FRESNAY:



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Discovering the Ancestry of Eustache DEMERS: Events, Photos & Historical Records

birth1771 Birth
27 January 1771
Sainte-Geneviève, Province of Québec, Canada
News1775 - 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.
News1791 - The Constitutional Act divides Québec into Upper and Lower Canada
marriage1795 Marriage / Partner
Eustache DEMERS and Marie-Elisabeth FRESNAY 5 October 1795, Montréal, Québec, Canada (Sault-au-Récollet) (Côte-St-Michel) (Côte-St-Paul)

He was 24 years old.
1813 Birth of Child
Adelaide DEMERS was born October 1813, Sainte-Geneviève, Québec, Canada (Pierrefonds)*

Eustache was 42 years old.
News1818 - Canada's border is defined as the 49th Parallel from Lake of the Woods to the Rocky Mountains.
Kings and Queens1820 - January 29 - George IV becomes King of England
Kings and Queens1830 - June 26 - William IV becomes King of England
Kings and Queens1837 - June 20 - Victoria becomes Queen of England
marriage1840 Marriage of Child
Adelaide DEMERS married 14 July 1840, Saint-Benoît, Mirabel, Québec, Canada to Louis MAHEU
News1841 - February 11 – Act of Union - The two colonies of The Canadas are merged into the United Province of Canada
Invention 1843 - The Christmas card is invented (Sir Henry Cole and John Callcott Horsley, England)

Artificial Freezer Patented (Nancy M. Johnson, Philadelphia, Pennsylvania, USA)
death1845 Death
17 December 1845
Montréal, Canada East

He died at the age of 74.


Postcards and Memories of Montréal, Québec, Canada (Sault-au-Récollet) (Côte-St-Michel) (Côte-St-Paul)

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Added: 11/21/2025 1:20:23 PM - Updated: 11/21/2025 3:29:08 PM

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