- Oct 1 William Harcourt, British Home Secretary and Chancellor of the Exchequer, dies at 76
- Oct 4 Karl Bayer, Austrian chemist (b. 1847)
Frédéric-Auguste Bartholdi
Oct 4 Frédéric-Auguste Bartholdi, French sculptor (designed the Statue of Liberty), dies of tuberculosis at 70
- Oct 4 Carl Josef Bayer, Austrian chemist (invented Beyer Process to produce aluminium), dies at 57
- Oct 8 Gustav Ratzenhofer, Austrian sociologist and general, dies at 62
- Oct 12 Charles Dowd, American principal who was the 1st to propose standardized time zones (for America's railways), struck and killed by a train at 79
- Oct 13 Pavlos Melas, Greek officer who organized and participated in the Greek Struggle for Macedonia (b. 1870)
- Oct 17 Nikolai Amani, Russian composer, dies at 32
- Oct 20 Henry Hiles, English composer, dies at 77
- Oct 21 Isabelle Eberhardt, Swiss explorer and writer (b. 1877)
- Oct 25 Teresa Milanollo, Italian composer, dies at 77