- Dec 14 Albert, English prince consort & husband of Queen Victoria, dies at 42
- Dec 14 Heinrich August Marschner, German opera composer, dies at 66
- Dec 15 Gualtiero Sanelli, Italian composer, dies at 45
- Dec 16 Karol Joseph Lipinski, Polish composer and virtuoso violinist, dies at 71
- Dec 25 Johan Willem van Reinhartshausen, Dutch illegitimate son of Princess Marianne of Orange-Nassau and her coachman, Johannes van Rossum, dies of scarlet fever at 11
- Dec 26 Philip St. George Cocke, American Brigadier General (Confederate Army), commits suicide at 52
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide