So the obvious choice from my list is [name_f]Polly[/name_f] [name_f]Thomasina[/name_f]!!
Combining yours with mine, I think:
[name_f]Cleopatra[/name_f] [name_u]Lark[/name_u] [name_f]Elowen[/name_f]
[name_f]Electra[/name_f] [name_u]March[/name_u] [name_u]Valentine[/name_u]
[name_f]Antigone[/name_f] [name_u]Darcy[/name_u] [name_f]Sonnet[/name_f]
[name_f]Persephone[/name_f] [name_f]Aura[/name_f] [name_f]Violet[/name_f]