Susan Cunliffe-Lister, Baroness Masham of Ilton

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The Right Honourable The Countess of Swinton DL
Official portrait, 2019
Member of the House of Lords Lord Temporal
In office 25 February 1970 – 12 March 2023 Life peerage
Personal details
Born	Susan Lilian Primrose Sinclair (1935-04-14)14 April 1935
Died	12 March 2023(2023-03-12) (aged 87) Northallerton, North Yorkshire, England
Nationality	British
Political party	Crossbench
Spouse	David Cunliffe-Lister, 2nd Earl of Swinton ​ ​ (m. 1959; died 2006)​
Alma mater	Royal Polytechnic Institution (now University of Westminster)
Sports career
Medal record Representing  Great Britain Paralympic Games Para-swimming 1960 Rome 25m breaststroke complete class 2 1960 Rome 25m backstroke complete class 2 1964 Tokyo 25m freestyle prone complete C2 1964 Tokyo 25m freestyle supine complete C2 1964 Tokyo 25m breaststroke complete C2 Table tennis 1964 Tokyo Women's doubles B 1964 Tokyo Women's singles B 1968 Tel Aviv Women's doubles B 1960 Rome Women's doubles B 1968 Tel Aviv Women's singles B

Susan Lilian Primrose Cunliffe-Lister, Countess of Swinton, Baroness Masham of Ilton, DL (née Sinclair; 14 April 1935 – 12 March 2023) was a British crossbench member of the House of Lords, disability campaigner and Paralympic athlete.^[1] She was the founder and life-long president of the Spinal Injuries Association.^[2] She was Vice President of the Snowdon Trust, founded by the Earl of Snowdon, which provides grants and scholarships for students with disabilities.^[3] Her 53 years' membership of the House of Lords was the longest of any female peer.^[1]