Isobel Mary `` Mollie '' Sugden ( 21 July 19221 July 2009 ) was an English comedy actress , best known for portraying the saleswoman Mrs. Slocombe in the British sitcom `` Are You Being Served ? ''
Mary Isobel ` Mollie ' Sugden ( 21 July 1922 -- 1 July 2009 ) was an English comedy actress best known for playing saleswoman Mrs. Slocombe in the popular British sitcom `` Are You Being Served ? ''