I love the names Cylee, Cayley, Keylee but these names are already taken in my family ?

I was considering Rayley but I dont think it flows well with the last name which is Gillette, I also like Leighton, Genesis, Gentry, Giselle, Giana (Gi-Ana) Its not Anna. And britton is just a few, I like the two middle name thing to. Please help name suggestions are greatly appreciated for both boy and girl because we do not know the sex