- Jan 1 Harriet Brooks, Canadian physicist, born in Exeter, Ontario (d. 1933)
- Jan 1 Johan Coenraad Altorf, Dutch sculptor (October 3rd monument), born in The Hague, Netherlands (d. 1955)
- Jan 3 Wilhelm Pieck, German politician (co-founder German Communist Party, President of German DR 1949-60), born in Guben, German Empire (d. 1960)
Konrad Adenauer (1876-1967)
Jan 5 Chancellor of West Germany (CDU: 1949-63), born in Cologne, Germany
- Jan 7 William Hurlstone, English composer, born in London, England (d. 1906)
- Jan 9 Hans Bethge, German poet, born in Dessau (d. 1946)
- Jan 10 Jan Eisenloeffel, Dutch goldsmith, born in Amsterdam, Netherlands (d. 1957)
- Jan 11 Elmer Flick, American Baseball HOF outfielder (AL batting champion 1905; NL RBI leader 1900; 2 × AL stolen base leader; Philadelphia Phillies, Cleveland Bronchos/Naps), born in Bedford, Ohio (d. 1971)
- Jan 11 Thomas Hicks, English athlete (Olympic gold marathon 1904), born in Birmingham, England (d. 1952)
Ermanno Wolf-Ferrari (1876-1948)
Jan 12 Italian light opera composer, born in Venice, Kingdom of Italy
Jack London (1876-1916)
Jan 12 American writer and socialist (Call of the Wild), born in San Francisco
- Jan 17 Frank Hague, American politician (d. 1956)
- Jan 17 Olga Fastrová, Czech writer and editor (National Policy), born in Prague (d. 1965)
- Jan 20 Józef Hofmann, Polish-American pianist, composer, educator (Curtis Institute, 1924-38), and inventor, born in Podgórze, Austro-Hungarian Galicia (now Poland) (d. 1957)
- Jan 20 William Veeck, Sr, American sportswriter and baseball executive (Chicago Cubs president, 1919-33), born in Boonville, Indiana (d. 1933) [1]
- Jan 29 Ludolf Nielsen, Danish composer, born in Nørre Tvede, Denmark (d. 1939)
- Jan 29 [William] Havergal Brian, British composer ("Gothic" symphony), born in Dresden, Staffordshire (d. 1972)
20-29
30-39
40-49
50-59
80-89
Over 90