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'Douglass, Mary Ann (1792–1862)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/douglass-mary-ann-27369/text, accessed 17 May 2022.
1792
Parramatta, Sydney, New South Wales, Australia
15 July,
1862
(aged ~ 70)
Hawkesbury, New South Wales, Australia