I have a niece named [name_f]Poppy[/name_f] [name_f]Chanel[/name_f] (like the perfume [name_f]Chanel[/name_f] No.5). I think it’s super cute 
Of your names, I like [name_f]Poppy[/name_f] [name_f]Susannah[/name_f] best. I think it has the best flow to it.