I am also working to find info on a "Levi Bolduc", it was suggested Levi was a nickname for Olivier. I have no solid info only story lines passed along. See if any of this makes sense to you. Nazaire Bolduc and Elizabeth Granger married in Canada and had a son Levi Bolduc (Olivier). Levi married Rose-Anna Roy and ended up in New Hampshire had a daughter there or in New York named Emma N. Bolduc married to Charles Brown. Their daughter my grandmother is Kathleen Marie Rosanna Brown Knepper, wife of Joseph G. Knepper, Sr., Mother of Joseph G. Knepper, Jr.
If you see any possable links on insights I would greatly appreciate your assistance.