William Gray was a spring knife cutler, who was born in Sheffield in about 1823, and enumerated in the Census (1851) in Younge Street. Possibly he was related to William Gray, who was a pen and pocket knife manufacturer in Lambert Street in the 1820s. In the Census (1861), Gray had moved to Chester Street. By 1863, William Gray was listed at Trafalgar Works, Trafalgar Street, with a house in Lawson Road. By 1868, William Gray & Sons was a spring knife manufacturer at Trafalgar Works. &n....