Linh is a Vietnamese name derived from the Sino-Vietnamese character 靈, meaning "spirit," "soul," or "sacred." The same character carries the sense of something supernatural, divine, or spiritually alive.
Linh is one of the most common girl's names in Vietnam.
Linh 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 Linh reduce to 7, The Seeker. This is a traditional interpretive system, not a factual claim about the name.