I prefer Alyria or Elyria.
Illyria is more of an obvious reference but it looks awkward without serifs.
I'm imagining Allyria as the daughter of hippies, maybe a bit of a hippie herself, definitely a fantasy fan and maybe an amateur fantasy author too. She's either a performer of some kind (musician, actor, etc.) or a hobbyist (makes period costumes or obscure musical instruments or something) or both. Sometimes goes by Ally or Allie.