From the Memories comment of Elonide Gauthier's great granddaughter: He died on May 28, 1950 in La Croche, a small village a few kilometers from La Tuque in Mauricie, Quebec, Canada. He died at the age of 88 years and eleven months. He was married to Odélie Lafontaine then to her sister Rose Anna Lafontaine. He is the father of Octave Gauthier and Joseph Édouard Henri Gauthier
Quebec, Canada, Vital and Church Records (Drouin Collection), 1621-1968 
Name: Joseph Aylvina Gauthier [Joseph Aylwin Gauthier]
Event Type: Mariage (Marriage)
Marriage Date: 1885
Marriage Place: St-Stanislas, Québec (Quebec)
Place of Worship or Institution: Champlain
Spouse: Marie Odille Lafontaine
1891 Census of Canada; Year: 1891; Census Place: St Maurice, Champlain, Quebec, Canada; Roll: T-6389; Family No: 75
Elonide Gauthier head, 29/m, Qué, occ: Terrour?
Odelie Gauthier wife, 30/f, Qué
Horace Gauthier son, 5/m, Qué
Octave Gauthier son, 2/m, Qué
Bertha Gauthier dau, 1/f, Qué
Charles Gauthier son, 1/12/m, Qué
Jeffrey Trudel lodger?, 17/m, Qué, occ: Terrour?
Not sure what the occ is. could it be tanner?
↑ Quebec, Canada, Vital and Church Records (Drouin Collection), 1621-1968 ; Original data: Gabriel Drouin, comp. Drouin Collection. Montreal, Quebec, Canada: Institut Généalogique Drouin. 
↑ 1891 Census of Canada; Year: 1891; Census Place: St Maurice, Champlain, Quebec, Canada; Roll: T-6389; Family No: 75; Original data: Library and Archives Canada. Census of Canada, 1891. Ottawa, Ontario, Canada: Library and Archives Canada, 2009. http://www.bac-lac.gc.ca/eng/census/1891/Pages/about-census.aspx. Series RG31-C-1. Statistics Canada Fonds. Microfilm reels: T-6290 to T-6427.