The Kilburn family was in business as a wholesale and retail ironmonger at Bishop Auckland, near Durham. In the early nineteenth century, two brothers – Nicholas (1798-1882) and Thomas (1800-1885) – were trading, respectively, as a whitesmith and iron merchant in Newgate Street. By 1851, Nicholas was enumerated in the Census in Newgate Street as an iron merchant, nail. chain, and shovel manufacturer, employing sixteen men. Next door was Thomas (ironmonger) and in the next dwelling was their father, He....