- Oct 3 Leopold II, Grand Duke of Tuscany, born in Florence, Grand Duchy of Tuscany (now Italy) (d. 1870)
- Oct 4 Jeremias Gotthelf [Albert Bitzius], Swiss writer (The Black Spider), born in Murten, Switzerland (d. 1854)
- Oct 7 Piet Uys [Petrus Lafras Uys], Dutch Afrikaner Voortrekker pioneer (the Great Trek from Cape of Good Hope to interior South Africa), born in Potberg, Swellendam, British Cape Colony (d. 1838) [birthdate disputed, baptized on 23 Oct]
- Oct 8 Eeltsje Hiddes Halbertsma, Dutch Frisian writer, poet and physician, born in Grou, Frisia, Batavian Republic (d. 1858)
- Oct 13 William Motherwell, Scottish poet and civil servant, born in Glasgow, Scotland (d. 1835)
- Oct 14 Ida Laura Pfeiffer, Austrian explorer and travel writerwho made two round the world trips, born in Vienna (d. 1858)
- Oct 16 James Brudenell, British Earl Of Cardigan (led the Charge of the Light Brigade), born in Hambleden, England (d. 1868)
- Oct 23 Jan Jacob Rochussen, Dutch Governor-General of Dutch East Indies (1845-51), born in Etten, Batavian Republic (d. 1871)