Halia is a Hawaiian name meaning the remembrance of a loved one — a tender, heartfelt word for keeping someone dear in memory. In Greek myth, Halia was also a sea nymph, adding a note of the ocean.
For a child who honours those who came before, Halia is loving and lovely.
Halia 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 Halia reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.