In 1851 Thomas was living in lodgings in Coventry, he was an apprentice to the Watch Trade.
In 1881 he lived at Avon Villa, Lewisham with his wife Lydia and children Lydia, Claud, Sydney and Constance M. His occupation was "Manager of Limited Company" (This company was Dalton Barton) Ernest was at Priory Hill school in 1881.Thomas died after an attack of influenza.

1891 census - household transcription

Person: HAMMERTON, Thomas M
Address: Avon Villa, Addington Grove, Lewisham, Sydenham

HAMMERTON, Thomas M Head Married M 62 1829 Managing Director Of Trimming
Wolston Warwickshire
HAMMERTON, Lydia Wife Married F 58 1833 Kingsland Middlesex
HAMMERTON, Kate Daughter Single F 26 1865 Sydenham Kent
HAMMERTON, Ada Daughter Single F 24 1867 Sydenham Kent
HAMMERTON, Ernest Son Single M 21 1870 Warehouseman In Trimming Sydenham Kent
HAMMERTON, Claud Son Single M 20 1871 Salesman In Cycle Sydenham Kent BROCKWELL, Charlotte A Servant Single F 14 1877 Domestic Servant Sydenham Kent

1901 census - household transcription

Person: BLACK, Lydia
Address: -, Branksome, London Lane, Bromley

HAMMERTON, Thomas M Head Married M 72 1829 Director Of Dalton Barton & trimming Manufacturer Limited Co Wolston Warwickshire
HAMMERTON, Lydia Wife Married F 68 1833 London
BLACK, Lydia Visitor Married F 38 1863 Peckham London
HAMMERTON, Ada Daughter Single F 34 1867 Sydenham
HAMMERTON, Constance Daughter Single F 25 1876 Sydenham
BLACK, Thomas Moy Grand Son Single M 11 1890 Sydenham
BLACK, Irene M Grand Daughter Single F 2 1899 South Norwood Surrey
ANGUS, Eleanor Servant Single F 34 1867 General Servant Plumstead London
TAYLOR, Lilian M Servant Single F 15 1886 Nurse Maid South Norwood Surrey

In 1901 Thomas and Lydia now aged 72 and 68 were living at Branksome London Lane, Bromley, Kent.