I love
Ishmael, I am not sure how usable it is but I love the sound. Despite having a good friend named
Sky who I love, I can't see the name as anything but insubstantial and hippy-dippy.
From the rest of your list I like:
AaronAidan - only this spelling, unfortunately, I think it would get lost among all the -aden names.
AlexanderAsaAsherBenjaminConradElliot EvanderIshmaelJulianKieran - I prefer
Ciaran LeoMicahMichaelSethSorin - I prefer
Soren.
Theo Xavier
GIRLS:
AdelaideAdeleArwenCamillaFelicityGenevieveIrisLydiaMaeveMarianneNiamh Rose