James Duncan Campbell accompanied his cousin Captain James Campbell on the Lady Penrhyn which landed at Sydney in January 1788 as part of the First Fleet. He returned to England with his cousin on the Gorgon in 1791.
* information from Mollie Gillen, The Founders of Australia: A Biographical Dictionary of the First Fleet (1989), p 65
'Campbell, James Duncan (c. 1775–?)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/campbell-james-duncan-30521/text37839, accessed 28 June 2025.