Spouse of the prime minister of the United Kingdom
To date, there have been forty-five women and two men who have been married to the British prime minister in office. There have also been four bachelor and nine widower prime ministers; the last bachelor was Edward Heath (1970–1974) and the last widower was Ramsay MacDonald (1924, 1929–1935). The Duke of Grafton (1768–1770) and Boris Johnson (2019–present) are the only prime ministers to have divorced and remarried while in office. Current prime minister Boris Johnson was married to Marina Wheeler until 2020, but she did not join him in  Number 10, due to their separation in 2018. In July 2019, it was announced that Johnson's girlfriend at the time, Carrie Symonds, would move in with him, making them the first unmarried couple to live in Number 10. Their engagement was announced in February 2020 and they married on 29 May 2021. Role and duties. The role of the British prime minister's spouse is not an official office and, as such, they are not given a salary or official duties. Over time the position has evolved and spouses, such as Cherie Blair, have gained public attention through their  own independent careers and achievements, as well as attending engagements such as the African First Ladies Summit. Cherie Blair, with Cate Haste, wrote a book about recent prime ministerial spouses, "The Goldfish Bowl: Married to the Prime Minister, 1955–1997", in 2005. Living former spouses. As of , there are six living former spouses. From earliest to latest: The most recent death of a former spouse is that of Lady Avon, widow of Anthony Eden, who died in 2021 at the age of . Lady Wilson of Rievaulx, widow of Harold Wilson – who died in 2018 at the age of – was the longest -lived spouse of a British prime minister and the first to live beyond the age of 100 years.