Camille is the French form of the Latin Camilla — from camillus, a young helper in ancient Roman religious ceremonies. The name was used in ancient Rome and was revived in France in the medieval period.
Camille is one of the most popular girl names in France. The composer Camille Saint-Saëns and the sculptor Camille Claudel are famous bearers. Today Camille sits in the U.S. top 300 and is rising — the unisex French spelling that English-speakers know mostly as a girl's name.
Camille 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 Camille reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.