This was popular in Japan during the Edo-era. So now it might be rare, but it wasn't back then:http://www.issendai.com/names/japanese/edo-era/early-edo-womens-names.html"Probably either butterfly (蝶) or long (長), implying long-lived. Both meanings were common in the previous eras." (from the site linked above).
― Anonymous User 5/16/2022
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Cho Chang is a character in the Harry Potter series.
― Anonymous User 8/15/2021
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Beautiful name.
― Anonymous User 8/15/2021
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http://www.issendai.com/names/japanese/edo-era/early-edo-womens-names.html
"Probably either butterfly (蝶) or long (長), implying long-lived. Both meanings were common in the previous eras." (from the site linked above).