Philip Treacy le Bon, Kate Moss, Christy Turlington and Stella Tennant modelling in return for keeping Treacy's hats, which were all black. In 1994, he opened up his boutique at 69 Elizabeth Street, in Belgravia, London, right beside Isabella Blow's resicence at number 67. Treacy has designed hats for Alexander McQueen (another discovery of Isabella Blow), including his 1999 "white collection" for Givenchy Haute Couture in Paris, for Karl Lagerfeld at Chanel, and for Valentino, Ralph Lauren, Donna Karan, Versace and Rifat Özbek. In January 2000, he became the first milliner for 80 years to be invited to exhibit at the Paris
Jim Treacy medallist with Bennettsbridge. His brother, Martin Treacy, also enjoyed All-Ireland success with Kilkenny. Throughout his career Treacy made 30 championship appearances. He retired from inter-county following the conclusion of the 1975 championship. Treacy played hurling with his local club in Bennettsbridge and enjoyed much success during a golden age for the club. In 1964 Bennettsbridge qualified for the final of the county senior championship with Treacy lining out in defence. Glenmore provided the opposition, however, they proved no match for 'the bridge'. A 4–9 to 1–4 victory gave Treacy his first county championship title. Treacy's side surrendered their championship crown