Mary Wilson, Baroness Wilson of Rievaulx

Gladys Mary Wilson, Lady Wilson of Rievaulx (12 January 1916 – 6 June 2018) was an English poet. She was the widow of Harold Wilson, who served as Prime Minister of the United Kingdom in the mid- to late-1960s and mid-1970s. Her birth name was Gladys Mary Baldwin.
In 1970 her volume of poetry, "Selected Poems", was published and in 1976 Wilson was one of three judges of the Man Booker Prize, the other judges being Walter Allen and Francis King.
In 2013, aged 97, she attended the funeral of Margaret Thatcher.
In 2016, she became the first spouse of a British prime minister to turn 100.
Wilson died on 6 June 2018, of a stroke, in London aged 102. She is the longest-lived spouse of a British prime minister in history.