An 1861 Canadian census shows the patriarchal family of Peter Joseph "Joseph" Voisin [I00688] and Catherine (Meyer) Voisin [I00689]. Also, a single male Voisin, a carpenter age 18, appears a few lines below the family. It is unclear whether this person is related.

Wellesley Township, Waterloo County, Ontario, Canada

Source: 1861 Census, Canada West, Wellesley Township, Waterloo County, Ontario, Canada, district ED 10, Page 62, Lines 25-35, Joseph Voisin ; digital images, Library and Archives Canada, Censuses (http://www.bac-lac.gc.ca/eng/census/Pages/census.aspx : Downloaded 11 November 2017).