Leilani is a lovely name (love the meaning, too), and I think you should use it, even if you're not Hawaiian. Because you're American, it really doesn't matter, but if you were not, you probably shouldn't use it unless you had some sort of connexion to Hawaii.
Iris ________________
Scottish all the way!
*Proud Mum of*
Chloe Elise-born
August 17, 2004