On 30 July 1954 at Maendy Congregational Chapel, Maindy, Glamorgan, she married Hugh Garside (1928-1993) from Macclesfield, Cheshire;[1] they had met through the National Association of Labour Student Organisations.
In 2015 she was chosen by the Daily Mirror to appear on a hustings panel for the Labour leadership election, supporting Yvette Cooper.
[7] Garside was the secretary of the Association for Improvements in the Maternity Services in the 1960s,[8] and active in many local organisations, taking the role of chair of governors at Pimlico School from 2005–07,[9] and as a director of the Peabody Community Foundation from 2000 to 2011.
[10] She was an active member of Llafur: The Welsh People's History Society and helped to establish a London branch.
Garside House in Regency Street, Westminster, is named after the couple and has a plaque which she unveiled in 1994.