'Turnbull, Martha (1840–1841)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/turnbull-martha-17693/text, accessed 17 January 2026.
October,
1840
New South Wales,
Australia
23 June,
1841
(aged 8 months)
Portland Head,
New South Wales,
Australia
Includes the religion in which subjects were raised, have chosen themselves, attendance at religious schools and/or religious funeral rites; Atheism and Agnosticism have been included.