- Oct 2 Louis Hersent, painter, dies
- Oct 6 Stephen Elvey, composer, dies at 55
- Oct 12 Henry G W Smith, leader of British-Indian forces, dies at 73
- Oct 24 Elie Decazes, French Bourbon Restoration politician, dies at 80
- Oct 31 Johan Nathan, murderer, hanged
- Oct 31 Thomas Cochrane, 10th Earl of Dundonald, British admiral (b. 1775)