niamh mulvey
Agent
Niamh Mulvey represents a select list of authors as a literary agent.
She represents the instant YA bestseller Cliodhna O'Sullivan, author of the Her Hidden Fire Trilogy (Penguin UK, Viking US).
Her background is in editorial: she was a commissioning editor at Quercus/Hachette for many years. She is also the author of The Amendments(Picador 2024) and Hearts and Bones(Picador 2022).
She is not currently open to submissions.
Photo credit: Kevin Keogh
Represented By: Niamh Mulvey
Clíodhna O'Sullivan is an Irish author.
Her debut fantasy novel, Her Hidden Fire, published in March 2026 and was a number one international bestseller, a Good Morning America book club pick, an ABA Indies pick and an Amazon Best Books of 2026 so far with multiple starred reviews. The sequel, Her Rising Flame, publishes in November 2026 with the final book in the trilogy, Her Bright Fury, out in July 2027.
She lives on the east coast of Ireland and is married with three children, far too many cats and a dog.