Edward James Duff (1863-1950) of Duff Brothers and Co
Born in Lofthouse, Yorkshire
Designer of gas producers
1901 Elected IMechE, of United Alkali Co
1901 Edward J. Duff 37, mechanical engineer, Isabella T. Duff 39, Margaret Duff 6 Rosalind Duff 5, Muriel Duff 2 months[1]
1911 Edward James Duff 47, civil and mechanical consulting engineer, lived in Garston with Isabella Taylor Duff 49, Margaret Duff 16, Rosalind Duff 15, Muriel Duff 10[2]
