Pan is from the Japanese anime — a modern formation possibly from the Greek god Pan. The iconic Dragon Ball manga has sold over 350 million copies worldwide.
Pan 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 Pan reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.