Katy Clark has performed as a soloist across North America with groups including the Amici Chamber Ensemble, the Kitchener-Waterloo and Windsor Symphonies, the Grand Philharmonic Choir, Michigan Opera Theatre, and the Elora, Indian River, Huron Waves, and Stratford Summer Music Festivals. She is a member of the Elora Singers and of Opus8, and has sung with the Tafelmusik Chamber Choir and the Canadian Opera Company Chorus.

Katy won the prize for Best Performance of the Commissioned Work, and placed second overall, at the 2023 Eckhardt-Gramatté National Music Competition. She was the 2019 winner of the Jim and Charlotte Norcop Prize in Song, and was a recipient of the 2017/18 Rebanks Family Fellowship and International Performance Residency through The Royal Conservatory. She has also won prizes in the Harold Haugh Light Opera Competition and the Met Opera National Auditions.

Katy appears on the album A Woman's Voice, which features the songs and duets of Canadian composer Alice Ping Yee Ho, and on multiple albums released by the Elora Singers and Opus 8. She holds a DMA from the University of Toronto, where her research focused on regionalism in the operas of John Beckwith and James Reaney, and gave the 2023 James Reaney Memorial Lecture at the WordsFest Creative Arts Festival. Katy made her directorial debut in AlvegoRoot Theatre's 2023 production of the Canadian play february. She has taught Singing, Voice Pedagogy, and Foundational Vocal Techniques at MacMaster and Laurier Universities, and operates a private teaching studio in London, Ontario.

Her favourite role is being Eva's mom.