My mother in law was a Langlois. A few years ago I came across an
association in Quebec who's purpose is to preserve the history and
genealogies of the original Langlois who came to north america in the
1600's.
Chances are they have your family in their archives. They did mine!
Association "Les Langlois D'Amerique"
23 Place Normand
Repentigny, Quebec
J6A 4Ky
Also, check out this web site:
http://www.genforum.com/langlois/good luck
Ken
mjm0103@aol.com