Katharine, Duchess of Kent, dead aged 92 Buckingham Palace has announced Katharine, Duchess of Kent, has died at the age of 92. 5 September 2025 Katharine, Duchess of Kent, has died at the age of 92, Buckingham Palace has announced. Katharine, Duchess of Kent, has died at the age of 92, Buckingham Palace has announced One of the most glamorous royals of her generation, Katharine was admired for her determination to carve out her own path, her lifelong dedication to charity work and her deep passion for music. She died on Thursday (04.09.