Fiona was born in Dublin, Ireland and grew up in a small town in Connecticut. She started acting in the third grade when her parents enrolled her in a children's theatre program at Westconn University. During the final performance, she tripped over a prop on stage during her monologue; but instead of getting embarrassed, she buried her face in her hands and laughed uncontrollably.
From that moment on, Fiona was hooked on performing. She eventually moved on to complete a BA in Performance Theatre at High Point University in North Carolina. Shortly after graduation, Fiona began to travel the world as a performer for Disney Cruise Line. She completed three contracts, and traveled to over 25 countries and Caribbean islands.
Fiona moved to Manhattan in 2019. She made her theatre debut in Stag & Lion Theatre Company's production of "A Midsummer Night's Dream". She also starred in a nationally televised commercial. With goals of breaking into television, Fiona enjoyed working as a background actor on Season 3 of " The Marvelous Mrs. Maisel" and upcoming Netflix show "Inventing Anna".