According to her death certificate she was aged 53 in 1873. However, there is a birth registration for a Mary E. Pike born in 1810 to John Pike and Sarah Hughes in Sydney. Her father, John Pike, served in the 73rd Regiment and was in New South Wales in that year. The family later left the colony and returned as free settlers in 1825 aboard the Phoenix in 1825.
'Arndell, Mary Elizabeth (1810–1873)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/arndell-mary-elizabeth-24033/text32874, accessed 26 March 2023.
2 April,
1873
(aged ~ 63)
Maitland, New South Wales, Australia