Bily Family History
Bily Surname Meaning
Czech (Bílý and Bilý) and Slovak (Bilý also Bíly); Ukrainian and Rusyn (standard transliteration Bilyy): nickname for a fair-haired man from Czech (and Slovak dialect) bílý Ukrainian and Rusyn bilyy ‘white’.
Source: Dictionary of American Family Names 2nd edition, 2022
