I love the idea of [name_f]Cora[/name_f] [name_f]Lily[/name_f] with your other kids names!
Other ideas you might like:
[name_m]Pearl[/name_m]
[name_f]Iris[/name_f]
[name_f]Lyra[/name_f]
[name_f]Lucy[/name_f]
[name_f]Poppy[/name_f]
[name_f]Ruby[/name_f]
[name_f]Ruth[/name_f]
[name_f]Ada[/name_f]
[name_f]Maeve[/name_f]
[name_f]Mabel[/name_f]
[name_f]Opal[/name_f]
[name_f]Olive[/name_f]