This means that Octave would have been married around 1885, if it took place in Québec. He was about 30 years old,
With these data, I wiil see if I can find something, and if so, I will come back to you here on the Forum.
I have a Mildred Ducharme, born in 1898, who had a sister named Pearl, born in 1896, who married Edward Dennisen. They were living in Green Bay. Could be related, but I don't have their parents's names.