King C. Gillette (1855-1932)
Jan 5 American businessman and inventor of inexpensive and disposable safety razor blades, born in Fond du Lac, Wisconsin
- Jan 10 Peter J. Blok, Dutch historian (History of the Dutch People) (d. 1929)
- Jan 15 Jacques Damala [Aristides Damalas], Greek military officer and actor, born in Piraeus, Greece (d. 1889)
- Jan 20 Ernest Chausson, French Romantic composer (Poème; Solitude dance le bois), born in Paris, France (d. 1899)
- Jan 22 Albert Neisser, German physician who discovered the bacteria that cause gonorrhea and leprosy, born in Schweidnitz, Prussian Empire (d. 1916)
- Jan 22 Ernst Kullak, German pianist, and composer of parlor music, born in Berlin, Germany (d. 1914)
- Jan 23 John Moses Browning, American weapons manufacturer, born in Ogden, Utah Territory (d. 1926)
- Jan 26 Arthur Hervey, Irish orchestral and operatic composer, and musicologist, born in Paris, France (d. 1922)
- Jan 28 William Seward Burroughs, American inventor of the 1st workable adding machine, born in rural New York (d. 1898)