Derek,
I have Walter John Green in my family tree.
His Daughter Carrie Alice Green married my Great Grand Uncle Joseph Harrison.
Walter John Green (from my tree)
Birth 1856 Oct, Bosmere, Suffolk, United Kingdom
Marriage to Emma Keeble, 1875 Apr Age: 18, Bosmere, Suffolk, Maryanne Keeble a witness
Residence 1880 Age: 24, Eglinton, County Derry, Ireland, Birth of Carrie Alice
Residence 1891 Age: 35, Eglinton, County Derry, Ireland, Birth of 2nd Emma
Residence 1901 Age: 45, Greenock East, Renfrewshire, Scotland
Occupation 1901 Age: 45, British Aluminium Company Ltd, Works Manager
Residence 1911 2 Apr Age: 54, Whittington, Derbyshire, England
Death 1923 Jun Age: 66, Chesterfield, Derbyshire, England.
His occupation is confirmed in the post office directories.
Regards Mark