Kaye - I prefer
Kay and
Kai. The ending E is superfluous. If there is a cultural/literary reason for using the E ending, honoring someone with that spelling, then I understand keeping it.
Sloane - ugly.
Laurel - cute in a whimsical fairytale cottage core way.
Samantha - 1980s but nice.
Helena - elegant
Celeste - Okay, but I'm wary of overtly heavenly/virtue names. I tend to imagine a situation where the kid turned out to be the opposite of their name, so a pessimistic
Hope, an atheist
Christian, poor
Prosper, etc..