Haltemprice and Howden (UK Parliament constituency) Haltemprice and Howden (UK Parliament constituency) Haltemprice and Howden is a constituency in the East Riding of Yorkshire represented in the House of Commons of the UK Parliament since 1997 by David Davis, a Conservative who was also Secretary of State for Exiting the European Union until his resignation from that role on 8 July 2018. The Electoral Reform Society considers it to be historically the second safest seat in the country, after North Shropshire. Taking into account the previous seats roughly covering its boundaries, the Society considers that the seat has been held continuously by the Conservative Party since
Londonderry City (UK Parliament constituency) system. Ferguson's death caused a by-election. Dowse was appointed Solicitor-General for Ireland, requiring a by-election. Dowse resigned after being appointed Chief Baron of the Irish Exchequer, causing a by-election. On petition, Lewis was unseated. McCarthy was named as MP on 25 October. Knox resigns, triggering a by-election. Hamilton is appointed Treasurer of the Household, prompting a by-election in which he stood unopposed. Hamilton becomes Duke of Abercorn, prompting a by-election. Hogg's death prompts another by-election. Londonderry City (UK Parliament constituency) Derry City was a parliamentary constituency in Ireland. It returned one Member of Parliament (MP) to the House of Commons