E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Mayor.
The chief magistrate of a city, elected by the citizens, and holding office for twelve months.
1
The chief magistrate of London is The Right Hon. the Lord Mayor, one of the Privy Council.
Since 1389 the chief magistrate of York has been a Lord Mayor, and in 1894 those of Liverpool and Manchester.
There are two Lord Mayors of Ireland, viz. those of Dublin (1665) and of Belfast; and four of ScotlandGlasgow, Edinburgh, Aberdeen, and Dundee.
¶At the Conquest the sovereign appointed the chief magistrates of cities. That of London was called the Port-Reeve, but Henry II, changed the word to the Norman maire (our mayor). John made the office annual; and Edward III (in 1354) conferred the title of The Right Hon. the Lord Mayor of London.
2
The first Lord Mayors Show was 1458, when Sir John Norman went by water in state, to be sworn in at Westminster; and the cap and sword were given by Richard II, to Sir William Walworth, for killing Wat Tyler.