Niamh grew up in Ireland, she is the youngest of five siblings. Niamh came to notice in the 2017 Indie film ‘Without Name’ with her portrayal of Olivia, a young free spirited and charismatic field assistant who falls victim to Eric, a man deeply suffering from a psychotic breakdown. The film premiered at the Toronto International Film Festival, London BFI Film Festival before its general release in 2017.