- Jul 4 Martin-Joseph Mengal, Belgian composer, and educator (Royal Conservatory of Ghent, 1835-51), dies at 67
- Jul 5 Juanita, Mexican, lynched by California gold diggers
- Jul 6 Thomas Davenport, American inventor (invented 1st commercial electric motor), dies at 48
Louis-Jacques Daguerre
Jul 10 Louis-Jacques Daguerre, French inventor and photographer (daguerreotype), dies at 63
- Jul 17 Béni Egressy, Hungarian composer, dies at 37