- Oct 2 Charles Albert, King of Sardinia (1831-49), born in Turin, Italy (d. 1849)
- Oct 7 Jean B Vuillaume, French violin maker (octobas)
- Oct 12 Pedro I of Brazil, Emperor of Brazil (1822-31) and King of Portugal (1826), born in Queluz Palace, Lisbon, Portugal (d. 1834)
- Oct 28 Henri Bertini, French classical composer and pianist, born in London (d. 1876)