I like:
Clara
Lily
Anastasia
Eliana
Sofia
It's interesting that you disliked Sofia in the past for a "shrill" sound, because I can't detect any shrillness. Is it frilly? Absolutely. But it's one of the softest names around, imo.
Please rate my personal name lists:
www.behindthename.com/pnl/69381www.behindthename.com/pnl/69381/109399www.behindthename.com/pnl/69381/91835http://greens-end.myminicity.com