About the Charbonneau surname
The surname Charbonneau is associated with an occupational formation. Charbonneau is connected with charcoal and may have referred to someone who made, transported, or sold it. Occupational surnames often became hereditary after first identifying a person by trade or function. The occupation behind the surname does not necessarily mean that every family branch has a common origin.
Pronunciation:
Char-bo-no/ʃaʁbɔno/