Syllabification Κέλ-σιος Gender masculine Κέλσιος is a Greek form of Latin name Celcius. Saints Julian, Basilissa, Celsus and Anthony, Martyrs Feast day January 8 When is Κέλσιος's name day? Κέλσιος's Day is celebrated on January 8 in memory of Saints Julian, Basilissa, Celsus and Anthony. Transcriptions Kelsios (la) Log in or register to post comments Be the first to rate this name Leave this field blank Copied to clipboard