Symphany does grate the eyeballs, but it sounds OK. Which is something!
Sistine
Ophelia, or Sistine Anyone, doesn't work. Adjectives might work sometimes as fns but this one doesn't.
Sonnet ... ! I've had a long sequence of Scottish terriers, starting when I was about 3. And I've always wanted to name one Sonnet, because she'd be a Dark Lady, but I've always been vetoed. So, it's a name to me all right, but not entirely human. Pity!