Dame Margaret Mary Beckett DBE (née Jackson; born 15 January 1943) is a British Labour Party politician who has been the Member of Parliament (MP) for Derby South since 1983. She was the Deputy Leader of the Labour Party under John Smith from 1992 to 1994, and briefly served as Leader of the Labour Party after Smith died suddenly. She later served in the Cabinet under Prime Minister Tony Blair in a number of roles, becoming Britain's first female Foreign Secretary in 2006.
