Foundered in a typhoon, off Guam, in the schooner Julie, of Yokohama, Japan. His brother, Laurence, was also aboard the ship.
'Marks, Henry (?–1871)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/marks-henry-21231/text31679, accessed 27 January 2023.