Ashley Hay has won several awards for her short stories, both in Australia and the United Kingdom. She has worked for The Independent Monthly, the University of London, and the Bulletin. Her first book, The Secret, was a biography about the marriage of Annabella Millbanke and Lord Byron.
Hay published her first novel, The Body in the Clouds, in 2010: it was shortlisted for a number of Australian and international awards. The Railwayman's Wife, in 2013, was even more successful, winning the NSW Premier's Literary Awards (People's Choice Award) and the Colin Roderick Award (jointly with Stephen Edgar's Eldershaw) and being longlisted for both the Miles Franklin Award and the Kibble Award.
In 2016, she won the Bragg UNSW Press Prize for Science Writing, for an essay in the Australian Book Review: 'A Forest at the Edge of Time'.
In 2017, she released her third novel, A Hundred Small Lessons, which was shortlisted for two Queensland Literary Awards.