'Douglass, Mary Ann (1821–1842)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/douglass-mary-ann-25529/text, accessed 7 April 2025.
12 December,
1821
Hawkesbury,
New South Wales,
Australia
22 February,
1842
(aged 20)
Wiseman's Ferry,
New South Wales,
Australia
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