- Jun 1 John Marshall Harlan, American lawyer and Justice of the U.S. Supreme Court (1877-1911), born in Boyle County, Kentucky (d. 1911)
- Jun 4 Garnet Wolseley, 1st Viscount Wolseley, British army general, born in Dublin (d. 1913)
- Jun 7 Alexander Ritter, German composer, born in Narva, Estonia (d. 1896)
- Jun 9 John Rogers Cooke, Brigadier General (Confederate Army), (d. 1891)
- Jun 12 George Stevens, English jockey (record 5 Grand National wins), born in Cheltenham, England (d. 1871)
- Jun 15 Edward Moody McCook, American lawyer, politician and Brevet Major General (Union Army), born in Steubenville, Ohio (d. 1909)
- Jun 20 Léon Bonnat, French painter, born in Bayonne, France (d. 1922)
- Jun 27 Władysław Zaremba, Ukrainian pianist and composer, born in Dunajowce, Ukraine (d. 1902)
- Jun 30 Willie Park Sr., Scottish golfer (British Open 1860, 63, 66, 75), born in Wallyford, East Lothian (d. 1903)