Bayliss was born on December 30th 2000 in West Yorkshire, England. She starting working in theatre from a young age, before moving on to professional TV, such as appearing on CBBC's Hank Zipzer. Bayliss Filmed for short film Sweet Street in December 2019. She attended Giggleswick School in North Yorkshire, and later the University of Warwick to study theatre and performance, where she now resides.