Mulan (木蘭) means "magnolia" in Chinese. Hua Mulan is the legendary heroine of the Ballad of Mulan — a 6th-century Northern Wei dynasty narrative poem about a young woman who disguised herself as a man and took her ailing father's place in the imperial army, fighting for twelve years before returning home with honor. The poem's closing line — "Two hares running side by side close to the ground, how can they tell male from female?" — is among the most quoted in Chinese literature.
Mulan 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.
In Pythagorean numerology the letters of Mulan reduce to 7, The Seeker. This is a traditional interpretive system, not a factual claim about the name.