How to read a historical surname story
A useful surname story says what happened, who is attested, and what remains unknown.
Four different kinds of sentence
“A named person bore this surname” is a biographical observation. “A ruling house used it” is a dynastic association. “A later tradition says it began here” is a reported origin story. “Your family descends from that person” is a genealogical conclusion that requires a different standard of evidence.
Look for the boundary
A source should be near the claim it supports and should identify the figure, time, or document involved. An English gloss of the surname character is not a family history. When stories conflict, a careful page names the disagreement rather than choosing the most glamorous version.
欧阳修 demonstrates historical use of a compound surname; his biography cannot tell us the lineage of every modern Ouyang.
What to do with this
Use the source links to learn; return to full-name sound and meaning for the actual naming choice.
Sources & limits
Sources support the specific facts cited above. An editorial name interpretation is not an ancient quotation or proof of family ancestry.