Her favorite stand-up topics are her journey through American culture, dating, therapy and shame. She made her Late Night debut on The Tonight Show Starring Jimmy Fallon in March 2026, which inaugurated her as one of the first – if not the only – Irish female comedians to perform stand-up on Late Night TV. Katie performed as a "New Face" in the 2023 Just For Laughs Festival in Montreal, and was featured in NY Funniest showcase and New York Comedy Festival in 2022. Katie's debut album and special, “I'll Do It Myself,” was released through Pinch Records in summer of 2023. The special has since hit half a million views on YouTube and the album hit #1 on iTunes Comedy Charts and is currently available to stream on all major audio platforms. Her Don't Tell Comedy set premiered in November 2023. Her second full-length special, “Terapy,” was released in July 2025 and is currently available to stream on YouTube. Katie has headlined clubs across the United States and Ireland, and brought her hour to Dublin and Cork in the summer of 2024 for four sold-out shows. She’s been featured in “The Hollywood Reporter,” “The Irish Independent,” and “The Irish Times,” and her work has been featured at Laughing Skull, Women in Comedy, Kansas City Irish Fest, and on SiriusXM. Outside of stand-up, Katie has acted in various sketches and shorts, including LadBible and Unilad's “Man of the Street” videos, and she appeared in a commercial for Oracle. She also collaborates with brands like Piece of Cake Moving, Language Drops, Sundance, and MTV to create and develop funny content. Katie has been producing and emceeing a consistently sold out Irish comedy show at the Dead Rabbit since February 2023, which flies in Irish comedians to perform. She currently hosts “The Shift” podcast, on which she and guests discuss sex and dating from an Irish perspective.