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 the United Kingdom, the City of London is among the 30 that have Lord Mayors (or, in Scotland, Lords Provost). The Lord Mayor is entitled to the style The Right Honourable; the same privilege extends only to the Lord Mayors of York, Cardiff and Belfast, and to the Lords Provost of Edinburgh and Glasgow. The style, however, is used when referring to the office as opposed to the holder thereof; thus, "The Rt Hon Lord Mayor of London" would be correct, while "The Rt Hon Jeffrey Mountevans" would be incorrect. The latter prefix applies only to Privy Counsellors. A woman