What party was the person who broke Barbara Anne Castle's record as the longest-serving female MP in the House of Commons?
Barbara Castle Barbara Anne Castle, Baroness Castle of Blackburn, PC, GCOT (née Betts, 6 October 1910 – 3 May 2002) was a British Labour Party politician who was the Member of Parliament for Blackburn from 1945 to 1979, making her the longest-serving female MP in the history of the House of Commons, until that record was broken in 2007 by Gwyneth Dunwoody. She later became the Member of the European Parliament for Greater Manchester from 1979 to 1989. One of the most significant Labour Party politicians of the 20th century, she served in the Cabinet under Prime Minister Harold Wilson in a number of roles, including as Secretary of State for Employment, Secretary of State for Health and Social Services, and First Secretary of State.
Thomas Wintringham (Liberal politician) Thomas Wintringham (22 August 1867 – 8 August 1921) was a British Liberal Party politician. He was elected as Member of Parliament (MP) for Louth in Lincolnshire at a by-election in June 1920, but died in office the following year, aged 53. The resulting by-election in September 1921, Louth's second by-election in under 16 months, was won by his wife Margaret, who became the second woman to take a seat in the British House of Commons.