Family name origins & meanings
- French : habitational name from any of the places so named, from Old Occitan brohl, brouil ‘copse enclosed by a wall or hedge’. Compare Breault.
- A Brouillard from the Poitou region of France is documented in Montreal in 1688. Another, from Angoumois, is documented at La Pérade in 1706, with the secondary surname Lavigueur.