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
Seán Treacy Hollyford, Kilcommon and Rearcross in the Slieve Felim Hills, which straddle the borderland between the historical North and South Ridings of Tipperary. He is remembered in many songs. The song "Seán Treacy", also called "Tipperary so Far Away", is about Treacy's death and is still sung with pride in west Tipperary. A line from this song was quoted by former US president Ronald Reagan when he visited Tipperary in 1984: ""And I'll never more roam, from my own native home, in Tipperary so far away"". The song most closely identified with him, "Sean Treacy and Dan Breen" commemorates his and