She was the first British prime minister's spouse to become a centenarian, living to the age of 102 years, 145 days.

[3] She was employed as a stenographer at Lever Brothers in Port Sunlight before marrying Harold Wilson on New Year's Day 1940 at Mansfield College, Oxford.

[7] Wilson was widowed on 24 May 1995 when her husband died of colorectal cancer and Alzheimer's disease after ten years of illness.

[11] Wilson died after a stroke at St Thomas' Hospital in London on 6 June 2018, at the age of 102,[7][12] having outlived her husband by 23 years.

[3][8] A private service followed by cremation took place on mainland Britain, and her ashes were buried with her husband at Old Town Churchyard in St Mary's, Isles of Scilly.