- Jan 1 Joseph Miroslav Weber, Czech composer, dies at 51
- Jan 1 Sir Hugh Nelson, Australian politician (Premier of Queensland (b. 1835)
- Jan 5 Kathleen Kenyon, English Archaeologist who excavated Jericho (the oldest known continuously occupied human settlement that has been inhabited for the last 11,000 years), dies at 72
- Jan 13 Alexander Stepanovich Popov, Russian physicist (b. 1859)
- Jan 16 Marshall Field, American entrepreneur and the founder of Marshall Field and Company, dies at 71
- Jan 19 Bartolomé Mitre [MartÃnez], Argentine general, author, statesman and President (1862-1868), dies at 84
- Jan 25 Joseph Wheeler, American Major General (Confederacy/Cavalry/Army of Tennessee), dies at 70
- Jan 25 Pierre-Lambert Goossens, Belgian archbishop of Mechelen and Cardinal Primate of Belgium, dies at 78
- Jan 29 Christian IX, King of Denmark (1893-1906), dies at 87