Wilde has dual citizenship in the United States and Ireland. They are derived her stage name "Wild" from the Irish writer Oscar Wilde. She changed her name while in high school, to writers of her family honor, which used many pen names. She is a vegan.
She married Italian American documentary filmmaker, flamenco guitarist, and the son of an Italian prince, Tao Ruspoli on June 7, 2003 in Washington, Virginia, a school with only a couple of witnesses, when she was 19 years later, she said the wedding took place in an abandoned school bus, .. She was the only place where they could be alone, as the marriage was a secret at the time February 8, 2011, she and her husband announced they were separating. Wild has filed for divorce in Los Angeles County Superior Court stating "irreconcilable differences".