Brillant Family History
Brillant Name Meaning
French Canadian: altered form of Breton Briand (compare 3 below). French Canadian: shortened form of Boisbrillant itself an altered form of Boisbriand a byname composed of French bois ‘wood’ + the Breton surname Briand (compare 1 above and 3 below). French: altered form of Breton Briant or Briand (compare 1 above) by association with the French verb briller ‘to shine’. In some cases possibly also French: from a derivative of Old French bril ‘trap’ possibly applied as a figurative nickname for a cunning man. Haitian: probably an ornamental name from French brillant ‘bright’. Alternatively of the same French origin as 3 or 4 above.
Source: Dictionary of American Family Names 2nd edition, 2022