Need name for a character, any ideas please?

I'm finally writing down a story that's been in my head for a while (since it's summer and I'm bored) but I'm having trouble naming my character. In the story she's run away and renamed herself. She hates her real name and thinks it's childish and weak-sounding. She thinks Emily is a stronger name and she's always felt like she was an Emily. I can't work out what her real name should be, because in my head she's just Emily now :P Any ideas? I can't think of a thing!