- Sep 1 John Nieuwenhuijzen, theologist/co-founder (Society of It General)
- Sep 3 Guy Carleton, 1st Baron Dorchester, British soldier and administrator (Governor of Quebec 1768-1778), born in Strabane, Ireland (d. 1808)
- Sep 14 Ignaz Vitzthumb, Austrian musician, composer, and conductor, born in Baden bei Wien, Austria (d. 1816)