Alia is an Arabic name that means Noble and Sublime. It is a name used for females, and it was ranked as #659 in the US.
― Anonymous User 8/18/2020
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I've always assumed that Alia in the Dune books had the Latin rather than the Semitic name: is anyone aware of evidence that her name was in fact a form of Aliyah etc and not a Latin word meaning: Other, or: Different?In view of the fact that the women's college, Bene Gesserit, with its very high standards has a name meaning "She Will Have Done Well", Frank Herbert seemed to enjoy using Latin names.
ALIA is derived from the name AALIYAH. It is more commonly used in Egypt. The meaning is similar to that of AALIYAH meaning "Highest, Most Exhalted" or "to ascend".