Kemi is a Yoruba (Nigerian) name — the short form of names like Olukemi ("God cherishes me") or Adekemi ("the crown cherishes me"). Used independently throughout the Yoruba diaspora.
Kemi 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 Kemi reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.