Adeyemi is from the Yoruba Adéyẹmí — Adé (crown) + yẹ (becomes/befits) + mí (me) — the crown is worthy of me, I am worthy of the crown. Adeyemi is one of the Yoruba feminine names — central to traditional Nigerian + West African heritage.
Adeyemi 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.
In Pythagorean numerology the letters of Adeyemi reduce to 8, The Visionary. This is a traditional interpretive system, not a factual claim about the name.