Catherine taught history, English and languages before turning to editing and then to writing. Her first published works were non-fiction, beginning with Willingly into the Fray, a centenary history of Australian Army nursing, followed by War Child, a ghost-written wartime memoir, and Unconquered, a co-authored tribute to the Sydney Invictus Games.
Her first historical novel, Dancing with Deception, was published in 2017 and was followed by Secrets and Showgirls in 2021. Love and Retribution was released in 2022, with Resistance and Revenge following in 2023 and Power and Obsession in 2024. Her latest novel, Murder and Masquerade, hit the bookshops at the end of 2025.