I am so glad to see your post on this forum! I am doing research on French Canadian families myself. My Mother is originally from Quebec. She has many of the Sephardic Jewish surnames in her family.
I started a new project on Family Tree DNA called Canadian Anusim. We are testing Canadians, Acadians and Cajuns and comparing them to other Sephardic Jewish and Ashkanazi surnames. We are also looking for the Levitical gene.
You can email me or you can check out the project the the following link: http://www.familytreedna.com/surname_det.asp?group=Canadian-...
I hope you will join us in our research. Thanks, Deborah