According to his page on Familysearch, Sylvester, son of John Babineau and Mary LeBlanc was born 10 Jan 1856 in Bouctouche, and died 8 Sep 1921, in Saint John, NB
There is no Sylvester/Sylvestre in the Register of Bouctouche 1856, neither in the Registres des paroisses Acadiennes, University of Moncton, Bouctouche 1800-1895... But on his Death Certificate (8 Sep 1921), on Provincial Archives of New Brunswick, he is said "born in Bouctouche, 10 Jan 1856"...