I voted for [name_u]Delaney[/name_u] [name_f]Snow[/name_f], but I also really love [name_f]Claire[/name_f] [name_f]Elise[/name_f]. All of your choices are beautiful!
I like [name_f]Greer[/name_f], [name_u]Bryn[/name_u] and [name_f]Claire[/name_f] best - all lovely names! And I like them with your surname and with sister name.