- Dec 1 Dominicus Johner, German composer and scholar, born in Waldsee (d. 1955)
- Dec 8 Ernst Moro, Austrian physician and pediatrician (Moro reflex), born in Laibach, Duchy of Carniola, Austria-Hungary (d. 1951)
- Dec 11 Paul Wegener, German actor and director (The Golem, The Student of Prague), born in Arnoldsdorf, West Prussia, Germany (d. 1948)
Mackenzie King (1874-1950)
Dec 17 10th Prime Minister of Canada (1921-30, and 1935-48), born in Berlin, Ontario
- Dec 21 Juan Bautista Sacasa, President of Nicaragua (1932-36), born in León, Nicaragua (d. 1946)
- Dec 22 Franz Schmidt, Austrian composer and musician, born in Bratislava, Slovakia (d. 1939)
- Dec 25 Lina Cavalieri, Italian dramatic soprano, and silent film actress, born in Viterbo, Kingdom of Italy (d. 1944)
- Dec 25 Marie Krogh, Danish physician (co-founder of Novo Nordisk), born in Vosegaard, Denmark (d. 1943)
- Dec 27 Max Ettinger, Jewish-German composer (Jiddische Requiem), born in Lwow, Poland (d. 1951)
- Dec 31 Ernest Austin, English composer, born in Poplar, London (d. 1947)
Greatest Generation
Silent Generation
Baby Boomer
Generation X
Millennial
Generation Z