Margaret Hilda Thatcher Margaret Hilda Thatcher's overwhelming sense of self-confidence and ambition ruled her life from the time she was a small child in Grantham, though her Oxford years and during her early years in politics. It led her to become the first female Prime Minister of Great Britain, and also helped through her difficult political years as "Attila the Hun". Britain's first female Prime Minister was born on October 13, 1925 in a small room over a grocer's shop in Grandham, England. Margaret Hilda was the second daughter of Alfred and Beatrice Roberts. She often stated that she was brought up very strictly: