Surname Overview
Surname Status and Naming System
The source explicitly lists Dan (鄲) as a currently uncommon surname and classifies it as a Han Chinese surname; it does not describe the same-form surname in any other naming system.
Dan Surname
Population reference (not a current census): 1Dan / Dan
Origins
Toponymic Origin
According to the account in 姓氏考略, citing 路史 and the Han 功臣表, the ancient State of Dan was in the area of present-day Luyi, Henan; Zhou Ying was enfeoffed as Marquis of Dan, and the surname later arose from the place. This is presented as a cited account by the source.
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