I would do [name_m]Miles[/name_m] and [name_f]Scarlett[/name_f] or [name_m]Miles[/name_m] and [name_f]Sophie[/name_f].
I voted for [name_f]Ansley[/name_f] [name_f]Grace[/name_f] because I thought you meant [name_u]Ainsley[/name_u] [name_f]Grace[/name_f].
If you didn’t then [name_u]Everly[/name_u] is better.