- Dec 1 Joseph Gungl, composer
- Dec 7 Theodor Schwann, German physiologist and co-originator of cell theory, born in Neuss, Germany (d. 1882)
- Dec 7 Josef Hyrtl, Austrian anatomist, born in Eisenstadt, Austria (d. 1894)
- Dec 11 Alfred de Musset, French writer (Un Caprice, Bettine), born in Paris, France (d. 1857)
- Dec 13 Clark Mills, American sculptor (Freedom, Armed Liberty) (d. 1883)
- Dec 21 Ludwig Schuncke, German pianist & composer, born in Kassel, Germany (d. 1834)
- Dec 24 Wilhelm Marstrand, Danish painter & illustrator, born in Copenhagen, Denmark (d. 1873)
- Dec 25 Alexandros Rhizos Rhankaves, Greek poet and statesman (d. 1892)