[1] Treloar was born in Malaysia, grew up in England and Sweden, before moving to Melbourne, Victoria.
[1] She has a BA (Hons) in fine arts from the University of Melbourne and a diploma of professional writing and editing from Royal Melbourne Institute of Technology.
[2] In 2014 she won the Pacific regional prize in the Commonwealth Short Story Prize for her short story "The Dog and the Sea".
[3] Her first novel, Salt Creek, won the 2016 Dobbie Literary Award[4] and was shortlisted for the 2016 Miles Franklin Award[5] and the 2016 Walter Scott Prize.
[6] Her second novel, Wolfe Island, won the 2020 Barbara Jefferis Award[7] and was shortlisted for both the Christina Stead Prize for Fiction and the Prime Minister's Literary Award for Fiction in 2020.