Dame Mary Quant Dies Aged 93,Mary Quant Patterns for Butterick, 1964 | witness2fashion,Mary Quant Dies Aged 93 | BoF,Rest in peace Dame Mary Quant. The influential designer who helped define Swinging Sixties style has died at 93 years old in England. Often referred to as the mother of the miniskirt,,Dame Mary Quant: Fashion designer dies aged 93