Brighton Pavilion (UK Parliament constituency) Pavilion for the Greens at the 2017 general election. Brighton Pavilion (UK Parliament constituency) Brighton Pavilion is a constituency represented in the House of Commons of the UK Parliament since 2010 by Caroline Lucas of the Green Party; who on being elected, became the first MP for that party in the United Kingdom. 1950–1983: The County Borough of Brighton wards of Hollingbury, Montpelier, Patcham, Pavilion, Preston, Preston Park, Regency, St Nicholas, St Peter's, and West. 1983–1997: The Borough of Brighton wards of Hollingbury, Patcham, Preston, Regency, St Peter's, Seven Dials, Stanmer, and Westdene. 1997–2010: The Borough of Brighton wards of
Green Party of Canada MP Blair Wilson joined the Green Party during Parliament's summer recess, technically becoming its first Member of Parliament (MP). He was defeated in the 2008 federal election, which was called before he had a chance to sit in the House of Commons as a Green MP. On 2 May 2011, Green Party leader Elizabeth May became the first elected Green Party MP to sit in the House of Commons. She won the riding of Saanich—Gulf Islands in coastal British Columbia. In winning her seat, May also became one of the few Greens worldwide to be elected in a federal, single-seat