Lian (莲) is the Chinese word for "lotus" — also written 涟 (gentle ripple) or 怜 (sympathy). The lotus is a Buddhist symbol of purity rising from muddy waters.
Lian is widely used in China.
Lian 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 Lian reduce to 9, The Giver. This is a traditional interpretive system, not a factual claim about the name.