Felix Mendelssohn (1809-1847)
Feb 3 German composer and pianist (Italian Symphony; Songs Without Words), born in the Free Imperial City of Hamburg (now in Germany)
- Mar 19 Fredrik Pacius, German-Finnish composer (Finnish and Estonian national anthems), conductor, and music educator, known as "the Father of Finnish music", born in Hamburg, Germany (d. 1891)
- Mar 31 Otto Jonas Lindblad, Swedish composer (Kungssången - Royal Anthem), born in Karlstorp, Sweden (d. 1864)
- Apr 23 Eugene-Prosper Prevost, French composer, born in Paris (d. 1872)
- May 6 William Walker, American composer (The Southern Harmony), born in Martin's Mills, Cross Keys, South Carolina (d. 1875)
- Aug 30 Adolf Friedrich Hesse, German composer, born in Wrocław, Poland (d. 1863)
- Oct 2 Anton Emil Titl, Austrian composer, born in Nedvědice (d. 1882)
- Oct 16 Francesco Schira, composer, born in Island of Malta (d. 1883)
- Oct 22 Federico Ricci, Italian composer, born in Naples, Italy (d. 1877)
- Nov 26 Marià Obiols, Catalan composer, born in Barcelona (d. 1888)
- Nov 30 Thomas Molleson Mudie, English composer, born in London (d. 1876)
- Dec 20 Friedrich Karl Kuhmstedt, German composer, born in Oldisleben, Germany (d. 1858)