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'Halloran, William John (1844–1922)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/halloran-william-john-25578/text, accessed 26 March 2023.
25 July,
1844
Ashfield, Sydney, New South Wales, Australia
18 December,
1922
(aged 78)
Petersham, Sydney, New South Wales, Australia