Last name origins & meanings:

  1. Chinese: from the place name Su. A descendant of the emperor Zhuan Xu, who lived in the 26th century bc, was granted a fiefdom called Su, and his descendants eventually adopted the place name as their surname.
  2. Chinese: from part of an official title, Zhisu Duwei, of the Western Han dynasty (206 bc–24 ad). This title was borne by the official in charge of granaries, an important role as granaries could be strategic military targets. A descendant of one such official adopted the character Su from the title as his surname.
  3. Chinese: from the name of an ancient kingdom called Su, which existed during the reign of the first of the three legendary emperors, Fu Xi (2852–2734 bc).
  4. Vietnamese: unexplained.
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