Enjoys surfing and running.
Has an older brother named Kevin
Was voted #42 on the E! Networks "50 Cutest Child Stars All Grown Up".
Her father is of half Italian, one quarter Cuban, and one quarter French, descent. Her mother has English and German ancestry.
Met Veronica Mars (2004) creator Rob Thomas when she e-mailed him at thirteen years old about a report she had to write on one of his books. They eventually met and vowed to work together. When Majorino returned to acting five years later in Napoleon Dynamite (2004), Thomas wrote her the role of computer geek Mac in "Veronica Mars."