St. Helens South and Whiston is a constituency created in 2010 represented in the House of Commons of the UK Parliament by Marie Rimmer of the Labour Party. History Creation Following the Fifth Periodic Review of Westminster constituencies the Boundary Commission for England expanded and renamed the St Helens South seat, covering the south of the Metropolitan Borough of St Helens and three wards of the Knowsley borough which were in a neighbouring seat. Results of the winning party The area has been held by the Labour Party since the 1945 election (including predecessor seats), and part since 1935. The 2015 result made the seat the 24th safest of Labour's 232 seats by percentage of majority. Results of other parties The 2015 general election saw (with 11.3%) more than the national average swing (+9.5%) to UKIP (narrowly placed third). Labour's candidate won more than fivefold those votes, scoring 59.8%. Turnout Turnout has risen from 59.1% to 62.3% Boundaries The boundaries have not changed to date. Its electoral wards are: From Knowsley: Prescot East, Whiston North and Whiston South From St Helens: Bold, Eccleston, Rainhill, Sutton, Thatto Heath, Town Centre and West Park. Members of Parliament Elections Elections in the 2010s * Served as an MP in the 2005–2010 Parliament See also List of parliamentary constituencies in Merseyside Notes References Politics of the Metropolitan Borough of St Helens Parliamentary constituencies in North West England Constituencies of the Parliament of the United Kingdom established in 2010