Lou,
My great great grandfather was Dolphus Dupont who married Julie Paridis in 1857, in Canada. Their daughter Hermine Dupont married Joseph (Narcisse) Smith in 1871 in Quebec. They had several children including Anna Caroline, who married Frank A. Lamothe in Holyoke, in the early 1900's. Anna is my grandmother.
If you have any information, I would love to hear from you again. I have almost no information on the Duponts except for the names. Joseph Smith disappeared and I think he died in Canada, and she came back here to be with family.
Thank you.