Brilliant

Family name origins & meanings

• Jewish (Ashkenazic) : ornamental name from German Brillant ‘diamond of the finest cut’ (from French brillant, present participle of briller ‘to shine or glitter’), or from the Polish cognate brylant, which has the same meaning, or from the Yiddish cognate brilyant, which has a more general meaning, ‘diamond’, ‘jewel’. Compare Diamond.