- Jun 6 Gottfried Herrmann, German musician and composer, dies at 70
- Jun 6 Robert Stirling, Scottish inventor (Stirling cycle engine) (b. 1790)
- Jun 12 Hendrik Jut, Dutch murderer (Head of Jut), dies at 26
- Jun 12 William Cullen Bryant, American poet (Thanatopsis), dies at 83
- Jun 16 Crawford Williamson Long, American surgeon and pioneer (use of ether as an anesthetic in surgery), dies at 62
- Jun 23 George Back, English sea officer and explorer (Back River), dies at 81
- Jun 26 Mercedes of Orléans, Queen of Spain, dies at 18