'Halloran, Henry Marco (1892–1981)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/halloran-henry-marco-25619/text, accessed 6 May 2025.
27 September,
1892
Williamstown, Melbourne,
Victoria,
Australia
1 August,
1981
(aged 88)
Adelaide,
South Australia,
Australia