Actes d'état civil et registres d'église du Québec (Collection Drouin), 1621 à 1997 - Gabriel Drouin, comp. Drouin Collection: Institut Généalogique Drouin IGD (membership) https://www.genealogiequebec.com
"Recensement du Canada de 1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVBH-XB22 : 16 March 2018), Edmond Boucher in entry for Alfred Boucher, 1911; citing Census, Montmagny Sub-Districts 1-26, Quebec, Canada, Library and Archives of Canada, Ottawa, Ontario; FHL microfilm 2,418,559.