Joseph Harper was a marine in the 48th (Plymouth) Company when he arrived at Sydney aboard the Scarborough in January 1788 as part of the First Fleet. He served in Watkin Tench's company at Port Jackson. He returned to England on the Atlantic in 1791.
* information from Mollie Gillen, The Founders of Australia: A Biographical Dictionary of the First Fleet (1989), p 160
'Harper, Joseph (?–?)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/harper-joseph-30895/text38258, accessed 20 April 2024.