Cai Family History
Cai Name Meaning
Chinese: Mandarin form of the surname 蔡 originally referring to ‘the tortoise used in ancient rituals of divination’ in Chinese: from the placename Cai (蔡) a fief (originally located in Shangcai in Henan province) which was granted to Du also known as Cai Shu (蔡叔) son of the virtuous King Wen of Zhou (1152–1056
Source: Dictionary of American Family Names 2nd edition, 2022