From Drouin Histories:

THE CELEBRATED GUILLAUME COUILLARD THE FIRST CANADIAN NOBLEMAN
Guillaume Couillard is without a doubt one of the finest figures of the Canadian nobility. It is a distinct honor for us to count him among your ancestors.

Having arrived only five years after the founding of Quebec, Couillard was one of the most loyal collaborators of Champlain. In that respect, he can take his place among the pioneers of New France.

Having taken as his motto "God helps the first settler" he went to work with such courage and energy, that in 1654, Louis XIV bestowed letters of nobility upon him for "his good deeds in the country of New France." These letters of nobility were the first accorded to a subject in New France making Guillaume Couillard the first ennobled Canadian. His coat of arms is described as: D'azur, a la colombe au vol entendu et verse d'or tenant en son bec un rameau d'olivier de sinople."

Guillaume Couillard's descendants subsequently had to obtain confirmation of their nobility. If you are a descendant of this valorous pioneer, you can also claim the same privilege.