I can help you with the Gaudet side of this family.
Joseph Sinai Gaudet (son of Eusebe Gaudet and Adeline Sylvain) and Marie Louise Foucault (daughter of Felix Foucault and Hedwidge St-Germain) were married 15 April 1912 at Buckingham, Papineau County, Quebec (just across the Ottawa River from Ottawa). Joseph Sinai Gaudet was born 11 October 1886 (baptized 14 October 1886 at St-Donat, Montcalm County, Quebec).
Eusebe Gaudet (son of Jean Louis Gaudet and Sarah Brault) and Adeline Sylvain (daughter of Joseph Sylvain & Basilice Filion) were married 25 October 1880 at St-Donat, Montcalm County, Quebec. Eusebe Gaudet was born 11 November 1852 (baptized 14 November 1852 at St-Alphonse-de-Rodriguez, Joliette County, Quebec).
You can look at my Gaudet genealogy web site (http://arslanmb.org/gaudet/gaudet.html) to take it back seven more generations to the immigrant ancestor Jean Gaudet, who was born in France about 1575 and came to Port-Royal, Acadia in the early 1600s.
Eusebe's parents appear on my web site as Louis Gaudet (#2451742) and Sara Bro. They were married 30 July 1850 at St-Jacques-de-l'Achigan, Montcalm County, Quebec.
I host the new Gaudet DNA project (http://www.worldfamilies.net/surnames/gaudet//). We are looking for direct male Gaudet descendants to participate. Let me know you know of someone on your branch who might be interested.