Thomas Sorby (c1825-1875)
c.1825 Born in Sheffield
1852 Thomas Sorby and Robert Sorby, both manufacturers, lived in Shrewsbury Bank, Sheffield
1861 Living at Walkley Road, Nether Hallam, Yorkshire: Thomas Sorby (age 36 born Sheffield), Steel Refiner - see Thomas Sorby (Business). With his wife Lydia and their son Thomas W. Sorby (age 8 born Sheffield) and a daughter.
Early 1870s John Bramall (1812-1887) with Thomas Sorby and J. B. Walker decided to form a company to trade across the Atlantic, with 4 ships. The first was named John Bramall, followed by Thomas Sorby, and J. B. Walker and Nelly Martin (named after Brammall's daughter). 
1871 Thomas Sorby 46, steel manufacturer, lived in Nether Hallam with Lydia Sorby 48, Thomas W Sorby 18, clerk in head office, Mary J Sorby 22, John H Sorby 9, Frank W Sorby 7