I like it, actually. It needs a longer name, but it's a very cute nickname! Pair it with a longer name, and call her Polly, so she has something to fall back on later.
Julia Keelan
"I don't mean to be rude-" he began in a tone that threatened rudeness in every syllable.
"-yet, sadly, accidental rudeness occurs alarmingly often."
~ From Harry Potter and The Half Blood Prince by J.K. Rowling. Vernon Dursley to Albus Dumbledore.