Jean-Baptiste LACOSTE

Born

21 June 1694 , Boucherville, Canada, New France

Died

17 December 1775 , Saint-Antoine-sur-Richelieu, Province of Québec, Canada

Parents & Family of Jean-Baptiste LACOSTE

Explore parents, grandparents, spouses, children, and the family connections surrounding Jean-Baptiste LACOSTE.

Parents

Alexandre LACOSTE dit LANGUEDOC Marguerite DENEAU (DENIAU)

Grandparents

Explore grandparents

Spouse & Children

View family relationships2 recorded relationship(s)

Family Tree

Open family tree View pedigree chart

Born: 21 June 1694 in Boucherville, Canada, New France

Father: Alexandre LACOSTE dit LANGUEDOC

Mother: Marguerite DENEAU (DENIAU)

Maternal grandparents: Jean DENEAU (DENIAU) (DAIGNEAU) , Helene (Hellaine) DODIN (GODIN)

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

Jean-Baptiste married Madeleine PINEAU (PINEAULT) 25 October 1723 in Boucherville, Canada, New France . The couple had (at least) 6 children.
Madeleine PINEAU (PINEAULT) was born 7 April 1696 in La-Pérade, Québec, Canada (Sainte-Anne-de-la-Perade). Madeleine died 18 August 1741 in Montréal, Québec, Canada (Sault-au-Récollet) (Côte-St-Michel) (Côte-St-Paul). Madeleine was the child of Michel PINEAU (PINEAULT) dit LAPERLE and Simone-Anne BEAUDET.

Jean-Baptiste married (2) Veronique TROUILLET dite LAJEUNESSE 3 November 1742 in Chambly, Canada, New France . The couple had (at least) 1 child.
Veronique TROUILLET dite LAJEUNESSE was born 7 October 1719 in Chambly, Québec, Canada (Saint-Joseph-de-Chambly). Veronique died 22 January 1768 in Chambly, Québec, Canada (Saint-Joseph-de-Chambly). Veronique was the child of Louis TROUILLET dit LAJEUNESSE and Marie-Louise DUBOIS.

Jean-Baptiste LACOSTE died 17 December 1775 in Saint-Antoine-sur-Richelieu, Province of Québec, Canada.
Details of the family tree of Jean-Baptiste 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-Baptiste LACOSTE

Hide Family & Children

Jean-Baptiste LACOSTE married

Madeleine PINEAU (PINEAULT)
Marriage date: 25 October 1723
Marriage place: Boucherville, Canada, New France
Madeleine PINEAU (PINEAULT) was the child of Michel PINEAU (PINEAULT) dit LAPERLE and Simone-Anne BEAUDET

Children of Jean-Baptiste LACOSTE and Madeleine PINEAU (PINEAULT)

Marie-Madeleine LACOSTE

Born: 19 July 1724, Boucherville, Canada, New France
Died: ,

Married: Joseph RÉGUINDEAU dit JOACHIM 11 August 1744 Place: Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville)

Married: Louis MONGEAU 12 November 1770 Place: Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville)

Catherine LACOSTE dite LANGUEDOC

Born: 1 August 1729, Chambly, Canada, New France
Died: 19 February 1815, Saint-Antoine-sur-Richelieu, Lower Canada

Married: Antoine COURTEMANCHE 16 August 1752 Place: Saint-Denis-sur-Richelieu, Québec, Canada

Josephte LACOSTE

Born: abt. 1733, , Québec Province, Canada
Died: ,

Married: Michel JARRET dit BEAUREGARD 27 January 1748 Place: Saint-Denis-sur-Richelieu, Québec, Canada

Marie-Marguerite LACOSTE dite LANGUEDOC

Born: 11 January 1737, Chambly, Canada, New France
Died: 6 January 1827, Saint-Luc, Lower Canada

Married: Francois ARCHAMBAULT 12 January 1767 Place: Saint-Antoine-sur-Richelieu, Québec, Canada

Married: Victor GIROUARD 25 September 1775 Place: Saint-Antoine-sur-Richelieu, Québec, Canada

Jean-Baptiste LACOSTE

Born: abt. 1738, , Québec Province, Canada
Died: ,

Married: Marie HEBERT 20 February 1764 Place: Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

Andre LACOSTE dit LANGUEDOC

Born: 9 September 1739, Chambly, Canada, New France
Died: 26 June 1809, Saint-Antoine-sur-Richelieu, Lower Canada

Married: Josephte CASAVANT 22 August 1768 Place: Saint-Antoine-sur-Richelieu, Québec, Canada

Jean-Baptiste LACOSTE married

Veronique TROUILLET dite LAJEUNESSE
Marriage date: 3 November 1742
Marriage place: Chambly, Canada, New France
Veronique TROUILLET dite LAJEUNESSE was the child of Louis TROUILLET dit LAJEUNESSE and Marie-Louise DUBOIS

Children of Jean-Baptiste LACOSTE and Veronique TROUILLET dite LAJEUNESSE

Paul LACOSTE dit LANGUEDOC

Born: 15 January 1759, Chambly, Canada, New France
Died: ,

Married: Francoise EDELINE dite DELISLE 1 October 1781 Place: Varennes, Québec, Canada (Sainte-Anne-de-Varennes)

Add Life Event

Have another record or photo?
Add a life event, census record, military record, obituary, achievement, or photograph for Jean-Baptiste LACOSTE.

Life & Records

Photos, life events, and historical records for Jean-Baptiste LACOSTE.

Hide Life & Records

How to read this timeline
Records about Jean-Baptiste LACOSTE 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 — 1694
21 June 1694
Boucherville, Canada, New France

1698 - The steam engine is invented (Thomas Savery, England)

1715 - September 1 - Louis XV becomes King of France

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

1723 Marriage / Partner
Jean-Baptiste LACOSTE and Madeleine PINEAU (PINEAULT) 25 October 1723, Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville)

He was 29 years old.

1723 marriage

Familysearch.org. Quebec Vital and Church Records (Drouin Collection) (Mormon Genealogy Records).
The French In North America: 1500-1783

1724 Birth of Child
Marie-Madeleine LACOSTE was born 19 July 1724, Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville)

Jean-Baptiste was 30 years old.

1729 Birth of Child
Catherine LACOSTE dite LANGUEDOC was born 1 August 1729, Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

Jean-Baptiste was 35 years old.

1737 Birth of Child
Marie-Marguerite LACOSTE dite LANGUEDOC was born 11 January 1737, Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

Jean-Baptiste was 42 years old.

1739 Birth of Child
Andre LACOSTE dit LANGUEDOC was born 9 September 1739, Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

Jean-Baptiste was 45 years old.

1741 Death of Spouse/Partner
Madeleine PINEAU (PINEAULT) died 18 August 1741, Montréal, Québec, Canada (Sault-au-Récollet) (Côte-St-Michel) (Côte-St-Paul)

1742 Marriage / Partner
Jean-Baptiste LACOSTE and Veronique TROUILLET dite LAJEUNESSE 3 November 1742, Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

He was 48 years old.

1744 Marriage of Child
Marie-Madeleine LACOSTE married 11 August 1744, Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville) to Joseph RÉGUINDEAU dit JOACHIM

1748 Marriage of Child
Josephte LACOSTE married 27 January 1748 , Saint-Denis-sur-Richelieu, Québec, Canada to Michel JARRET dit BEAUREGARD

1752 Marriage of Child
Catherine LACOSTE dite LANGUEDOC married 16 August 1752, Saint-Denis-sur-Richelieu, Québec, Canada to Antoine COURTEMANCHE

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

1759 Birth of Child
Paul LACOSTE dit LANGUEDOC was born 15 January 1759, Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

Jean-Baptiste was 64 years old.

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 LACOSTE married 20 February 1764, Chambly, Québec, Canada (Saint-Joseph-de-Chambly) to Marie HEBERT

1767 Marriage of Child
Marie-Marguerite LACOSTE dite LANGUEDOC married 12 January 1767, Saint-Antoine-sur-Richelieu, Québec, Canada to Francois ARCHAMBAULT

1768 Death of Spouse/Partner
Veronique TROUILLET dite LAJEUNESSE died 22 January 1768, Chambly, Québec, Canada (Saint-Joseph-de-Chambly)

1768 Marriage of Child
Andre LACOSTE dit LANGUEDOC married 22 August 1768, Saint-Antoine-sur-Richelieu, Québec, Canada to Josephte CASAVANT

1770 Marriage of Child
Marie-Madeleine LACOSTE married 12 November 1770, Boucherville, Québec, Canada (Sainte-Famille-de-Boucherville) to Louis MONGEAU

Death — 1775
17 December 1775
Saint-Antoine-sur-Richelieu, Province of Québec, Canada
He died at the age of 81.

RECORD HISTORY

Record added: 4/16/2015 1:07:48 PM
Last updated: 4/16/2022 3:11:17 PM

MORE WAYS TO EXPLORE