Mayor of London the winner hours earlier. Mr Sadiq Khan, a member of the Labour party, is the first Muslim to be elected Mayor of London. Incumbent Mayor Boris Johnson did not run for re-election for a third term in office, as he had been elected the Member of Parliament for the Conservative Party in Uxbridge and South Ruislip in the 2015 General Election. Most powers are derived from the Greater London Authority Act 1999, with additional functions coming from the Greater London Authority Act 2007, the Localism Act 2011 and Police Reform and Social Responsibility Act 2011. The main functions are: The
William Leighton (Lord Mayor of London) William Leighton (Lord Mayor of London) Sir William Leighton (1752 – 23 April 1826) was a British shipowner and merchant who served as the Lord Mayor of London in 1806. Leighton's family was from County Durham in the North East of England and he moved to London around 1779 following his father's death. Leighton worked as a coal merchant shipping coal from the port of Newcastle, and was based at Newcastle's Coal Exchange. Leighton was a prominent shipowner who owned , and , three of the ships of the First Fleet, which transported convicts to the British colony of New