On the night of Thursday, the 20th instant, drowned by the melancholy loss of the Dunbar, at the Heads, Mr. Isaac Simmons, aged 21 years, youngest son of the late James Simmons, merchant of this city.
'Simmons, Isaac (1836–1857)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/simmons-isaac-28723/text36176, accessed 3 July 2022.
1836
Sydney, New South Wales, Australia
20 August,
1857
(aged ~ 21)
at sea