Born in Magherafelt in 1996 and raised in Portstewart, Northern Ireland, Macaulay trained at the University for the Creative Arts in Fashion Textiles: Print, graduating in 2018 and showing at Graduate Fashion Week and London Fashion Week that same year. Her studio is still based in Portstewart.
The work is handmade to order — oversized, colour-drenched knits that have run in British Vogue's best street style at London Fashion Week and been worn by Bronagh Waugh and Halsey. The Irish Times named her one of its Top 50 People to Watch in 2019, with Elle and Vanity Fair Italia following in 2020.