Huia is from the Maori huia — sacred New Zealand bird (Heteralocha acutirostris, extinct since 1907). Huia is one of the Maori feminine names Maori cultural symbol.
Huia 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 Huia reduce to 3, The Communicator. This is a traditional interpretive system, not a factual claim about the name.