- Jun 2 Samuel Wilks, British physician and founding father of clinical science, born in London (d. 1911)
- Jun 3 Charles Kinnaird Graham, American Brevet Major General (Union Army), born in NYC, New York (d. 1889)
- Jun 8 James Loudon, Dutch politician, Governor-General of Dutch East Indies (1872-75), born in The Hague, Netherlands (d. 1900)
- Jun 8 William Montgomery Gardner, American Brigadier-General (Confederate Army), born in Augusta, Georgia (d. 1901)
- Jun 13 Julius Eichberg, German composer, born in Düsseldorf, Germany (d. 1893)
- Jun 18 Johannes Heykamp, Dutch Catholic archbishop of Utrecht (The Declaration of Utrecht) (d. 1892)
- Jun 20 George Edmund Street, English architect, born in Woodford, London (d. 1881)
- Jun 20 John Tyler Morgan, American Brigadier General (Confederate Army), born in Athens, Tennessee (d. 1907)
- Jun 22 Frédéric Louis Ritter, French composer and conductor, born in Strasbourg, France (d. 1891)
- Jun 23 Carl Reinecke, German pianist, composer and teacher (Undine Sonata), born in Altona, Duchy of Holstein (now Germany) (d. 1910)
- Jun 26 Moritz Fürstenau, German composer, born in Dresden, Germany (d. 1889)
William Thomson (1824-1907)
Jun 26 1st Baron Kelvin, Irish-Scottish mathematical physicist (Kelvin Scale) and engineer (transatlantic telegraph), born in Belfast, Ireland
- Jun 28 Paul Broca, French brain surgeon and anthropologist (located speech center), born in Sainte-Foy-la-Grande, France (d. 1880)
- Jun 28 William T. Wofford, Brigadier General (Confederate Army-American Civil War), born in Toccoa, Habersham County, Georgia (d. 1884)
Year of the Rat
Year of the Ox
Year of the Tiger
Year of the Rabbit
Year of the Dragon
Year of the Snake