Alexenia is made up, unpronouncable and not even very pretty! And P.S.,
Alexia is a brain disorder that leaves the patient unable to read (and yes, it's different from dyslexia!). I
LOVE Alexandra. Have you considered
Alexa, Alexandria/Alexandrea,
Alexandrine or
Alexandrina?
I think that Clair is an awful name for a boy. Everyone already knows it as a girl's name.