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 McArthur (Lord Mayor of London) William McArthur (Lord Mayor of London) Sir William McArthur, (6 July 1809 – 16 November 1887) was an Irish businessman and Lord Mayor of London, and a Liberal Party politician who sat in the House of Commons from 1868 to 1885. McArthur was born at Malin, County Donegal, the son of Rev. John McArthur, a Methodist minister in Londonderry. In 1821 he was apprenticed to a woollen draper in Enniskillen. He moved to Lurgan in 1825 where he was a merchant and in 1831 established a drapery business in Derry initially in a partnership, but later on his own. In