Coco is a French nickname — most famously borne by Coco Chanel (1883-1971), born Gabrielle Bonheur Chanel. The nickname's origin is debated; it may come from songs she sang in her early cabaret career.
Coco entered the U.S. top 1000 in 2017 and is rising rapidly.
Coco 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 Coco reduce to 9, The Giver. This is a traditional interpretive system, not a factual claim about the name.