Gender masculine Λεύκος is a variant of Greek name Λεύκιος.Feasts and saints related to given name Λεύκος Saints Thyrsus, Callinicus and Leucius, Martyrs Feast day December 14 When is Λεύκος's name day? Λεύκος's Day is celebrated on December 14 in memory of Saints Thyrsus, Callinicus and Leucius. Transcriptions Leukos (la) Log in or register to post comments Be the first to rate this name Leave this field blank