The Evangeline home in Saint John New Brunswick (demolished in the 1990s) was a home for unwed mothers. The following link will give you the link to all homes for unwed mothers in Canada, including the Evangeline home.
http://www.originscanada.org/homes-for-unwed-mothers/
There is also an adoption agency connect at
http://www.adopteeconnect.com/p/a/103389/aq/sa/
where people are looking for their connections from New Brunswick. Good luck! Terry