The name Alia is a girl's name of Arabic origin meaning "supreme, exalted". Alia is ranked #639 on our popularity charts and is often added to lists like Unique Baby Names: Unusual and Rare and discussed in our forums with posts like "Girls Makeover - Two Middles".
From the experts:
Alia is most classic and feminine form of Ali, one of the 99 attributes of Allah. The name is used by Christians, Muslims and Jews; the word Aliyah means to make a pilgrimage to Israel and the words in both languages mean sublime, lofty, or exalted. Alia is also the name of the heroine of Frank Herbert's science fiction classic Children of Dune
While Alia is the sleekest version of the name, both the most ancient and the most modern-feeling, its most famous relative in the U.S. today is the more complicated Aaliyah.
In this extended family of names, Aaliyah is the most popular, with Aliyah not far behind. Alia and Aliya are further down the list. All variants have been declining in popularity in the past few years.