Surname Lao (劳) · Origins and Regions — Born Hour

The complete origin of surname Lao (劳) and its common regions: 劳姓源自春秋时期鲁国的劳伯，后以邑名为氏；亦出自东夷族劳氏部落，或由他姓改姓而来。据《通志·氏族略》记载，劳氏为"以邑为氏"之姓，鲁国劳邑（今山东济宁一带）后人多以"劳"为姓。