UK (Parliament Politics Magazine) – Renowned Irish fashion designer Paul Costelloe, best known as the former personal designer to Diana, Princess of Wales, has died aged 80 after a short illness. He was surrounded by his wife and seven children at the time of his passing in London.
Tributes for Renowned Designer Paul Costelloe
As reported by Will Stewart of The Sun, tributes have poured in for Paul Costelloe following his death at age 80 after a brief illness. The Irish fashion icon was celebrated for his longstanding influence on British and Irish fashion, including showcasing collections at London Fashion Week for over 35 years. His family expressed their deep sorrow in a statement, noting he died peacefully in London surrounded by his wife and seven children.
Career Highlights and Achievements
Paul Costelloe was born in Dublin in 1945 and trained at the prestigious Chambre Syndicale de la Haute Couture in Paris. Following early roles including working with Jacques Esterel and supporting Marks and Spencer in Milan, he launched his own label, Paul Costelloe Collections, in 1979. His work gained international acclaim, and he became personal designer to Diana, Princess of Wales from 1983 until her death in 1997. Costelloe’s designs were known for blending romantic, tailored styles with vibrant colors and patterns, making a significant mark on contemporary fashion.
Partnership with Dunnes Stores and Family Enterprise
In addition to runway success, Costelloe’s Living Studio collection was a staple at Dunnes Stores in Ireland, bridging luxury with accessible fashion. His family-run brand remains active, with his son William Costelloe serving as design director. Paul Costelloe expressed ambitions to gradually retire and focus on personal passions such as painting and travelling, as revealed in a 2024 Vogue interview.
Public and Industry Reaction to His Passing
Paul Costelloe’s death sparked widespread expressions of grief in the fashion world and beyond. Irish designer Edel MacBride described him as a mentor and gentleman, while industry figures praised him as “a remarkable Irish success story.” His influence on Irish fashion and his iconic role in dressing the late Princess Diana were particularly noted in public tributes.
Family Statement and Privacy Request
His family stated their gratitude for the outpouring of support while asking for privacy during their time of mourning. The official statement emphasized the peaceful nature of his passing after a short illness and highlighted the closeness of his family at the end.

