According to Margaret Cobcroft's death certificate she was aged 20 at the time of her death and was born in Scotland. She had been living in New South Wales for 18 years.
'Cobcroft, Margaret (1852–1872)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/cobcroft-margaret-24967/text33635, accessed 6 May 2025.
12 February,
1872
(aged ~ 20)
Sydney,
New South Wales,
Australia
Includes the religion in which subjects were raised, have chosen themselves, attendance at religious schools and/or religious funeral rites; Atheism and Agnosticism have been included.