Capri is from the Italian — referring to the iconic island of Capri in the Bay of Naples, Italy. Capri (modern American naming) — the name has surged in popularity since 2010 due to broader American taste for Italian-resonant place names; ranked in the US top-1000 since 2017. Princess Capri — modern Italian heritage naming.
Capri 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 Capri reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.