William Gunthorpe was boatswain on the Lady Penrhyn when he arrived at Sydney in January 1788 as part of the First Fleet. He was reduced to serve before the mast on the homeward voyage.
* information from Mollie Gillen, The Founders of Australia: A Biographical Dictionary of the First Fleet (1989), p 152
'Gunthorpe, William (?–?)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/gunthorpe-william-31211/text38600, accessed 20 April 2024.