Jingmei is from the Chinese 晶美 / 静美 (Jīngměi — jīng crystal/quiet + měi beautiful — crystal beauty, quiet beauty). Jingmei is one of the Chinese feminine names — central to traditional Chinese heritage. Chinese feminine name reflecting Chinese-American literary heritage.
Jingmei does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
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In Pythagorean numerology the letters of Jingmei reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.