Thomas Firth (1789-1850)
Thomas Firth (1789-1850) of Thomas Firth and Sons
1789 Thomas Firth was born in Pontefract, Yorkshire.
Worked for Jonathan Marshall before joining Sanderson Brothers[1]
1830s Thomas Firth was head smelter at Sheffield crucible steelmakers Sanderson Brothers and Co. His two sons eldest sons, Mark Firth and Thomas Firth, Junior joined him at that company.
1841 Living in Sheffield: Thomas Firth (age c52), steel refiner, with Mary (age c48), Mark (age c220 a clerk, Thomas (age c190 a steel refiner, John (age c17) a clerk, Edward (age c11), Mary (age c90, Elizabeth (age c6), and Charles (age c4).[2]
1843 Thomas Firth set up in business on his own account in Charlotte Street, assisted by his two eldest sons[3]
They set up Thomas Firth and Sons
1849 The company set up the Norfolk Works in Sheffield, principally making guns but also steels for a range of purpose.
1850 A Thomas Firth died in Ecclesall Bierlow, a suburb of Sheffield
1851 Mary Firth 57, a widow, was living in Ecclesall Bierlow with Edward Firth (age 20) a steel manager and merchant, Mary Firth 18, Elizabeth Firth 16, Charles Henry Firth 14[4]