- Captain Henry Castilla, Master Mariner Steamer Master Mariner, involved in the river and coastal trade in China during the second Opium War
- John Stephen Ramos de Castilla Went from Western Australia to the South African War in 1900. Fought in South Africa in WWI and was a Resident Magistrate in South Africa for the remainder of his career.
- Lt. Col. Bernard Cary Lt. Col. 6th Regt. N.I. Indian Army
- Sir Franklin Prestage Founder of the Darjeeling Himalayan Railway
- Col. John Crimmin Military distinction
- Captain Fiennes Sanderson Miller III Captain 68th Ben NI, died during the Indian Mutiny.