Joseph Dooat ( -1788) was a seaman on the Alexander when he arrived at Sydney in January 1788 as part of the First Fleet. He died on 9 November 1788, during the return journey, from scurvy.
* information from Mollie Gillen, The Founders of Australia: A Biographical Dictionary of the First Fleet (1989), p 107
'Dooat, Joseph (?–1788)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/dooat-joseph-30761/text38108, accessed 12 September 2026.