Genealogy News · Source Interpretation · Published 2026-10-08

Which Surname Did Guan Yu Really Have—Guan or Feng? An Examination of Historical Sources and Genealogies

Guan Yu has been known by the name “Guan Yu” for a thousand years, but the claim that his original surname was Feng and that he changed it because of Tong Pass is found mainly in later miscellanies, operas, and certain writings on surnames. This question should be assessed by distinguishing official historical records, folk legends, and family genealogies; no conclusion should be drawn from a single source alone.

Guan Yu, courtesy name Yunchang, was an important figure from the late Eastern Han through the Three Kingdoms period. Later generations called him Lord Guan and Guan Emperor, with his veneration deriving primarily from his image of loyalty and righteousness, his military career, and long-standing popular religious beliefs. The real complexity in discussions of “Guan’s surname and given name” lies not in the names themselves, but in the fact that different types of sources do not present entirely consistent accounts of his background.

The prevailing historical account generally refers to him simply as “Guan Yu,” with “Yunchang” as his courtesy name. The claim that his original courtesy name was Changsheng also appears in related accounts. Another widely circulated view holds that Guan Yu was originally surnamed Feng and named Xian, and that when he fled to Tong Pass, he temporarily adopted Guan as his surname after pointing to the pass; he then took Yu as his given name after seeing feathers fall. These stories have a distinctly legendary character. They were recorded in some Qing-dynasty miscellanies, opera anthologies, and later scholarly works on surnames, but these sources were compiled relatively late, and their narratives also differ. They are therefore insufficient on their own to prove that Guan Yu in fact changed his surname at Tong Pass.

Research into the surnames of historical figures must begin by clarifying the hierarchy of sources. Official histories, documents from the same period, local gazetteers, family genealogies, miscellanies, and operas each serve different functions. Family genealogies place particular emphasis on founding ancestors who migrated to a new area, the continuity of branches, lineage halls, and migration routes. They can help researchers understand a community’s local memory, but they may not directly fill in the historical record of a famous person’s early life. Even if a genealogy lists Guan Yu as an ancestor or collateral ancestor, it is still necessary to examine its date of compilation, the transmission of its manuscript and printed editions, the basis of its preface, and whether the genealogy is continuous.

Surname databases show that many surnames have multiple origins existing side by side. For example, materials related to the Ben surname include clues associated with the commanderies or regions of Xiapi, Pengcheng, and Henan, as well as records of distribution in Hubei, Hunan, Henan, Jiangxi, Anhui, and other places. These records cannot be used to classify all people with the same surname as belonging to a single lineage. The same applies to lineage-hall names: they often reflect a region, branch, or historical memory, and a shared hall name alone cannot establish a common ancestor. This principle requires particular caution when applied to the question of Guan Yu: later records identifying “Guan Yu of the Feng surname” cannot automatically be treated as proof of a lineage in a Guan-surname genealogy.

Further research could cross-reference online genealogies, family memoirs, local gazetteer databases, and historical documents, with particular attention to Guan Yu’s birthplace, his early life, the earliest source of the Tong Pass story, and changes in the transmission of related claims across different periods. Genealogical research should separately label “ancestral origins in legend,” “identity as recognized in genealogies,” and “facts supported by early historical sources.” Within the bounds of what can currently be stated with confidence, calling him Guan Yu is the conventional name established by long-standing historical records and cultural tradition. The claim that his original surname was Feng and his name was Xian should instead be retained as a later alternative account and should not be presented as an established conclusion.

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