- Oct 6 Hippolyte Carnot, French statesman, born in Saint-Omer, France (d. 1888)
- Oct 7 Adolf Muller Sr., Austrian composer of operettas, born in Tolna, Austria-Hungary (d. 1886)
- Oct 12 Friedrich Frey-Herosé, Swiss politician, born in Lindau, Germany (d. 1873)
- Oct 14 Joseph Plateau, Belgian physicist (Plateau's Law), born in Brussels, Belgium (d. 1883)
- Oct 23 (Gustav) Albert Lortzing, German Spieloper composer and actor (Zar und Zimmerman), born in Berlin, Kingdom of Prussia (now Germany) (d. 1851)
- Oct 28 Karl Georg Lickl, Austrian pianist, physharmonica (type of harmonium) player, and composer, born in Vienna (d. 1877)