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
Lord Mayor of London State Robes by means of black or white silk satin ribbons on the shoulders. As an Alderman of the City of London the Lord Mayor has a scarlet gown and a violet gown, which are identical to those worn by his or her fellow aldermen except that they are trained. The violet robe is worn at most formal meetings of the Corporation with the scarlet robe substituted on certain days or occasions as directed by the City Ceremonial Book. For State occasions when the monarch is present, the Lord Mayor wears a crimson velvet robe of state trimmed with an