Biographie Mercier Mathilde
1871
https://recherche-collection-search.bac-lac.gc.ca/eng/Home/Record?app=census&IdNumber=40271873&ecopy=4395571_00593
1901
https://recherche-collection-search.bac-lac.gc.ca/eng/Home/Record?app=census&IdNumber=38351711&ecopy=z000143484
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