Una Mannion was born in Philadelphia and lives in County Sligo Ireland. She has won numerous prizes for her poetry and short stories. Her debut novel, A Crooked Tree, was an international bestseller and was nominated for the An Post Irish Book Awards, the Dalkey Prize and it won the Kate O'Brien prize 2022. Her second novel, Tell Me What I Am was published with Faber in June 2023 and HarperBooks in August 2023.