Members of the Davy family settled in Sheffield in the eighteenth century. Often they came from Keighley, Yorkshire; some were Quakers. In a Sheffield directory (1811), Barker, Davy & Co – merchants and manufacturers in Union Street – was listed. The partners, who ended their arrangement in 1816, were William Barker and David Davy. In 1821, David Davy & Co was listed as a merchant and table knife manufacturer at Eyre Street. The firm also appeared in the directories of 1822 and 1825. Confusingly,....