By 1859, Thomas Foss had joined his father to form Foss Son and Company, wholesale druggists, of 217 Pitt Street, Sydney.
'Foss, Thomas Ambrose (1829–1871)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/foss-thomas-ambrose-28672/text36150, accessed 28 January 2023.
1 November,
1829
Sydney, New South Wales, Australia
19 March,
1871
(aged 41)
Balmain, Sydney, New South Wales, Australia