David Farragut (1801-1870)
Jul 5 American admiral ("Damn the torpedoes, full speed ahead!"), born in Campbell's Station, Tennessee
- Jul 11 John Hill Hewitt, American songwriter (A Minstrel's Return from the War), born in NYC, New York (d. 1890)
- Jul 14 Johannes Peter Müller, German physiologist (d. 1858)
- Jul 26 John Drake Sloat, 1st Military Governor of California (Union Navy), born in Sloatsburg, New York (d. 1867)
- Jul 27 George Biddell Airy, English mathematician and 7th Astronomer Royal, born in Alnwick, Northumberland, England (d. 1892)
- Jul 29 George Bradshaw, British publisher, born in Manchester, England (d. 1853)