- Dec 1 Dominicus Johner, composer
- 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)
- Dec 12 Volter Kilpi, Finnish writer (Alastalon salissa), born in Kustavi, Finland (d. 1939)
- Dec 13 Ludwig Curtius, German archaeologist (Die antike Kunst), born in Augsburg, Germany (d. 1954)
Mackenzie King
Dec 17 Mackenzie King, 10th Prime Minister of Canada (1921-30, and 1935-48), born in Berlin, Ontario (d. 1950)
Mackenzie King
- Dec 21 Juan Bautista Sacasa, President of Nicaragua (1932-36), born in León, Nicaragua
- Dec 22 Franz Schmidt, Austrian composer & musician, born in Bratislava, Slovakia (d. 1939)
- Dec 25 Lina Cavalieri, Italian soprano (d. 1944)
- 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)