Syllabification Θαλ-λός Gender masculine Female form Θάλλεια Θαλλός is a variant of Greek name Θαλής. Saints Trophimus and Thallus of Laodicea, Martyrs Feast day March 11 When is Θαλλός's name day? Θαλλός's Day is celebrated on March 11 in memory of Saints Trophimus and Thallus of Laodicea. Transcriptions Thallos (la) Log in or register to post comments Be the first to rate this name Leave this field blank Copied to clipboard