of a liberal party to represent the constituency since John Bamford Slack in early 1900s. Prominent members The noble and local landowning Grimston family have produced nine members throughout the seat's history. The three first heirs to the Earldom of Verulam have won election in the seat - the latest MP from the family was John Grimston who later became the 6th Earl (died 1973). Sir Hildred Carlile (died 1942) was a textiles entrepreneur and generous benefactor of Bedford College, University of London. Francis Fremantle was chairman of the Parliamentary Medical Committee from 1923 to 1943. Peter Lilley was a frontbench minister in government from 1992 until 1997, the Secretary of State for Social Security, after two years as Secretary of State for Trade and Industry. Constituency profile Workless claimants (registered jobseekers) were in November 2012 significantly lower than the national average of 3.8%, at 1.9% of the population based on a statistical compilation by The Guardian. The seat voted decisively to remain in the European Union in the 2016 Referendum, estimated at 62.2%. Boundary changes 1885–1918: The Municipal Borough of St Albans, the Sessional Divisions of Barnet and St Albans and parts of the Sessional Divisions of Watford, Hertford and Dacorum. As well from the Borough of St Albans, the seat included the towns of Harpenden, Hatfield and Chipping Barnet. 1918–1945: The Municipal Borough of St Albans, the Urban Districts of Barnet and East Barnet Valley, the Rural Districts of Barnet and Hatfield, and the Rural District of St Albans civil parishes of Sandridge Rural, St Michael Rural, St Peter Rural, and St Stephen. North-western parts, including Harpenden, transferred to the new Hemel Hempstead Division. South-western corner (Aldenham) transferred to Watford. 1945–1950: The Municipal Borough of St Albans, the Urban District of Welwyn Garden City, the Rural District of Hatfield, and the Rural District of St Albans civil parishes of Sandridge Rural, St Michael Rural, St Peter Rural, and St Stephen. The Urban Districts of Barnet and East Barnet (formerly East Barnet Valley) and the Rural District of Elstree (formerly Barnet) formed the new Barnet Division. The Urban District of Welwyn Garden City had been formed as a separate local authority which had previously been partly in the Hitchin Division. Other marginal changes as a result of changes to local authority boundaries. 1950–1955: The Municipal Borough of St Albans, the Urban District of Welwyn Garden City, the Rural District