The name Sonnet is a girl's name meaning "little song". Sonnet and is often added to lists like Unique Girl Names: Unusual and Rare and discussed in our forums with posts like "Quick Question Thread?!".
From the experts:
Could there be a more poetic name than Sonnet? Actor Forest Whitaker was inspired to choose it for his daughter.
The word sonnet derives from the Italian sonetto, meaning 'little song.' And although Shakespeare is the most acclaimed master of this fourteen-line form, there have been many other accomplished sonneteers, including Milton, Wordsworth and Elizabeth Barrett Browning.
Other names beyond Sonnet that can work for the child of a writer or book-lover: Story, Poet, Fable.