- Jul 7 Lillien Jane Martin, psychologist, found gerontology clinic
- Jul 7 Charles Tindley, American gospel music composer (d. 1933)
- Jul 8 Arthur J Evans, English archaeologist (Crete)
- Jul 11 Millie & Christine McCoy, American siamese twins born slaves in Whiteville, North Carolina (d.1912)
- Jul 15 Eduardo Gutiérrez, Argentinian author (d. 1889)
- Jul 19 Hendrik Jut, Dutch murderer (Head of Jut), born in The Hague, Netherlands (d. 1878)
- Jul 21 Sam Bass, American Old West train robber and outlaw, born in Mitchell, Indiana (d. 1878)
- Jul 23 Charles Bannerman, Australian cricket batsman (1st centurion), born in Woolwich, Kent, England (d. 1930)
- Jul 24 Friedrich Schottky, German mathematician (Schottky's theorem), born in Breslau, Germany (d. 1935)