From your list I find [name]Phoebe[/name] to be the friendliest name. Here are a few other names that I think have a friendly vibe;
[name]Annabel[/name]
[name]Felicity[/name]
[name]Rosie[/name]
[name]Martha[/name]
[name]Sadie[/name]
[name]Caroline[/name]
[name]Rebecca[/name]
[name]Molly[/name]
[name]Isla[/name]
[name]Freya[/name]
[name]Carrie[/name]
[name]Elodie[/name]
[name]Della[/name]