- Oct 3 John Gorrie, American scientist and inventor (cold-air process of refrigeration), born in Charleston, South Carolina (d. 1855)
- Oct 6 Heinrich Wilhelm Dove, Prussian physicist and meteorologist, born in Legnica, Poland (d. 1879)
- Oct 11 Albartus Telting, Frisian poet (Frisianch Jierboeckjen), born in Franeker, Netherlands (d. 1863)
- Oct 21 George Wright, American Brigadier General (Union Army), born in Norwich, Vermont (d. 1865)
- Oct 25 Maria van Ackere-Doolaeghe, Flemish poet (Daisies, Avondlamp), born in Diksmuide, Belgium (d. 1884)