Saoirse was born in New York City, the United States to father, Paul Ronan, and mother, Monica, both are from Dublin, Ireland. Currently, she is 24-year-old and her birth sign is Aries.
After her successful career as an actress, Saoirse appeared in an American romantic science fiction thriller movie, The Host, directed by Andrew Niccol. The total budget for the movie was $40 and made a collection of $63.3 million at the box office.
Saoirse also appeared in an American comedy-drama movie, Lady Bird, which was written and directed by Greta Gerwig. The movie became a huge hit and made a collection of $37.7 million at the box office.
Recently, Saoirse is shooting for her upcoming American drama film, The Seagull, directed by Michael Mayer. The co-stars of this movie are, Annette Bening, Corey Stoll, Billy Howle. The movie is scheduled to be released in 2008.
As a popular actress, Saoirse earns a tremendous amount of money from her acting career. As of 2018, her current net worth is estimated to be $58 million.