- Jul 2 Charles-Louis Hanon, French composer and piano pedagogue (The Virtuoso Pianist in 60 Exercises), born in Renescure, France (d. 1900)
- Jul 2 Thomas Anderson, Scottish chemist (discovered pyridine), born in Leith, Scotland (d. 1874)
- Jul 3 Louis Théodore Gouvy, German-French composer, born in Sarre, Kingdom of Prussia (d. 1898)
- Jul 4 Reuben Fenton, American merchant and politician (22nd Governor of New York), born in Carroll, New York (d. 1885)
- Jul 6 Ernst Wilhelm von Brücke, German physician and physiologist, born in Berlin, Germany (d. 1892)
- Jul 8 Alexander Hays, American Brevet Major General (Union Army), born in Franklin, Pennsylvania (d. 1864)
- Jul 8 Francis Leopold McClintock, Irish-born British naval officer and explorer who confirmed fate of Franklin's 1845 Artic expedition, born in Dundalk, Ireland (d. 1907)
- Jul 8 Vatroslav Lisinski [Ignatius Fuchs], Croatian composer (Love and Malice), born in Zagreb, Kingdom of Croatia, Austrian Empire (d. 1854)
Elias Howe (1819-1867)
Jul 9 American inventor (invented sewing machine), born in Spencer, Massachusetts
20-29
30-39
40-49
50-59
80-89
Over 90