Haidai (surname)

Haidai (海岱) is a relatively uncommon Chinese surname. It is derived from a geographical name, referring to the region between the Bohai Sea (渤海) and Mount Tai (泰山). Historically, this area encompassed a significant portion of Shandong province.

The origin of the surname is typically attributed to individuals or families who resided in the Haidai region and adopted it as their surname, possibly to denote their place of origin. Some accounts suggest its origins might be connected to administrative or noble titles associated with the region in ancient times.

Due to its relatively rare usage, detailed genealogical records and historical accounts specifically focusing on the Haidai surname are scarce compared to more common surnames. The distribution of individuals with the surname Haidai is primarily within China, though specific concentrations are not widely documented. Further research is needed to fully understand the history and distribution of this surname.