Jonathan Brownill was baptised in Sheffield on 23 May 1774, the son of James (a cutler). He was the brother of John Brownill. Jonathan Brownill & Co was listed in 1815 as a table knife manufacturer in Red Hill (a factory mentioned in Leader, 18761). Brownill’s partners were John and Bartholomew Hounsfield. They dissolved their partnership in 1819. By 1822, Jonathan Brownill (later the name was more usually spelled as Brownhill) had moved to Allen Street. Brownhill then traded in ....