Derived from the Gaelic/Irish word for beautiful (which is รยกlainn) *Sorry guys it's NOT British at all*, a name used to describe a beautiful but bright woman.
Also commonly used as a pet name for a girlfriend/fiancee/wife in Ireland.
"That's my Irish Alanna"
"Holy shit, she's def an Alanna"
"Smart and pretty? Watch out man, that's an Alanna right there."
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