Aileen Liha - It sounds pretty, actually. The 'Liha' makes it sound a little more ethereal. AY-leen or EYE-leen?
Athanasois "Athan" - it's okay. The nickname works, too. How's it pronounced?
Morisa / Marissa - Marissa
Muriel Roseamara - not liking either.
Moriah / Muriel - Moriah