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François Blanchette (1776 - 1830)

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François Blanchette
Born in St-Pierre-de-la-Rivière-du-Sudmap
Ancestors ancestors
[spouse(s) unknown]
[children unknown]
Died in Saint-Pierre-de-la-Rivière-du-Sud, Montmagny, Lower Canada, British Colonial Americamap
Profile manager: Barbara B private message [send private message]
Profile last modified | Created 21 Sep 2015
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"BLANCHET, FRANÇOIS, author, physician, teacher, militia officer, businessman, seigneur, politician, office holder, and JP; b. 3 April 1776 in Saint-Pierre-de-la-Rivière-du-Sud, Que., son of Jean-Baptiste Blanchet, a farmer, and Marie-Geneviève Destroismaisons;[1] m. 9 Sept. 1802 Catherine-Henriette Juchereau Duchesnay, and they had three daughters and a son; d. 24 June 1830 at Quebec."[2]

"Blanchet played an important role in the development of public health measures in the Quebec region. In 1817 he was on a special committee to promote “inoculation with vaccine.” The need to keep a vigilant eye on European immigrants and increase assistance to them also engaged his attention. He was in favour of strengthening the quarantine laws and of founding an isolation hospital. He fought in the house to promote the latter project, which took shape in 1816 with the establishment of the first immigrants’ hospital on Île aux Ruaux. In 1823 he was a member of the first municipal sanitation committee of Quebec; it was responsible for finding the means to fight epidemics and to provide medical assistance to immigrants."[2]

"François Blanchet is the author of Recherches sur la médecine ou l’application de la chimie à la médecine (New York, 1800); Appel au Parlement impérial et aux habitans des colonies angloises, dans l’Amérique du Nord, sur les prétentions exorbitantes du gouvernement exécutif et du Conseil législatif de la province du Bas-Canada (Québec, 1824); and Reports from the special committee on roads and other internal communications (Quebec, 1829)."[2]

He married Catherine Henri Henriette Juchereau Duchesnay on September 9, 1802 in St-Pierre-de-la-Rivière-du-Sud.[3]

Children of Francois and Catherine:

1. Catherine Henriette (daughter), b. abt 1803; m. May 7, 1822, William Unsworth Chaffers in Québec (Notre-Dame-de-Québec).[3]
2. Etienne Henri (son), b. July 11, 1803 Québec (Notre-Dame-de-Québec)[3]
3. Francoise Julie Hermine (daughter), b. June 1, 1808, Québec (Notre-Dame-de-Québec)[3]
4. Francoise Helene (daughter), b. January 16, 1812, Québec (Notre-Dame-de-Québec)[3]
5. Antoine Francoise Denis (son), June 19, 1813, Québec (Notre-Dame-de-Québec)[3]
6. Fanny Helene (no records)[3]
7. Hermine Julie (no records)[3]

Catherine Henri Henriette Juchereau Duchesnay died on March 13, 1841 and was buried on March 26, 1841.[3] Francois Blanchet died on June 24, 1830 and was buried in June 27, 1830. Both were buried in St-Pierre-de-la-Rivière-du-Sud.[3]

Notes on Researching Settlers of New France

A database is being built of all gathered data from the parish registers of old Quebec. By systematic attribution of baptism, marriage, and burial certificates to the respective individuals – a "family reconstitution" made on the basis of names and family ties – people are identified and their biographies established. PRDH’s data base, covering the seventeenth and eighteenth centuries, thus contains the personal history of the Quebec ancestors of all French- Canadians. The PRDH is housed at the Demography Department of the Université de Montréal.

At this time, images of the parish registers (Drouin Collection) upon which the PRDH (The Research Program in Historical Demography) are based, are available on


  1. Family # 37011, PRDH-IGD,
  2. 2.0 2.1 2.2 Jacques Bernier, “BLANCHET, FRANÇOIS,” in Dictionary of Canadian Biography, vol. 6, University of Toronto/Université Laval, 2003–, accessed September 21, 2015,
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 Family # 99541, PRDH-IGD,

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It may be possible to confirm family relationships with François by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA. However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line. It is likely that these autosomal DNA test-takers will share DNA with François:

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Location of Blanchet family
Location of Blanchet family


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