Since the early eighteenth century, the Dysons had been farmers / cutlers at Shotnell, a farmstead at Birley Carr (information from Michael Dyson, 2012). William Dyson Sen. (1725-1799) had been apprenticed to John Eyre, a cutler at Grenoside, and became a Freeman in 1751. He was listed in 1774 as a maker of ‘spotted knives’. In 1787, he was joined in the directory by his son, William Dyson Jun. (1758-1841), who made common pen and pocket knives. Their trade marks were, respecti....