Mary Heally (c.1756-1801), alias Mary Gill, was sentenced to 7 years transportation at Limerick, Ireland, on 31 July 1790. She arrived at Sydney in September 1791 aboard the Queen as part of the Third Fleet.
Heally married (as Mary Heley) John Silverthorn on 5 May 1794 at Parramatta. She died on 4 December 1801 at Sydney.
'Silverthorn, Mary (c. 1756–1801)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/silverthorn-mary-31074/text38444, accessed 4 February 2023.
4 December,
1801
(aged ~ 45)
Sydney, New South Wales, Australia