1825) Adolph Ferdinand Gehlen, German chemist (d. 1815) September 6 – Aleksey Greig, Russian admiral (d. 1845) September 7 – John Jebb, Irish Anglican bishop and religious writer (d. 1833) September 8 John Leyden, Scottish orientalist (d. 1811) Vasily Orlov-Denisov, Cossack Russian general (d. 1843) September 9 Guillaume Capelle, French administrator and politician (d. 1843) Francisco Ramón Vicuña, President of Chile (d. 1849) September 10 John Kidd, English physician, chemist and geologist (d. 1851) Murray Maxwell, British Royal Navy officer (d. 1831) September 11 Narciso Fernández de Heredia, 2nd Count of Heredia-Spínola, Prime Minister of Spain (d. 1847) Ferdinand August Freiherr von Hügel, general in the royal Württemberg Infantry (d. 1834) September 12 – Josef Jüttner, Austrian cartographer and military officer (d. 1848) September 13 – Laura Secord, Canadian heroine of the War of 1812 (d. 1868) September 14 Jean-Louis Burnouf, French philologist and translator (d. 1844) John Henry Hobart, third Episcopal bishop of New York from 1816 (d. 1830) Joseph Phillimore, English lawyer and Member of Parliament (d. 1855) September 15 – William A. Griswold, American lawyer and politician (d. 1846) September 16 Hermano José Braamcamp de Almeida Castelo Branco, Portuguese nobleman and politician (d. 1846) Giuseppe Rosaroll, Italian essayist and general in the army of the Kingdom of the Two Sicilies (d. 1825) Christian Friedrich Schwägrichen, German botanist specializing in the field of bryology (d. 1853) September 17 Georges Roffavier, French botanist (d. 1866) Margrethe Schall, Danish ballerina (d. 1852) September 19 – José Félix Ribas, hero of the Venezuelan War of Independence (d. 1815) September 20 – François-Pierre Chaumeton, French botanist and physician (d. 1819) September 22 – Philip Milledoler, American protestant minister and fifth President of Rutgers College (d. 1852) September 23 – Jens Christian Berg, Norwegian lawyer and historian (d. 1852) September 24 – Nathan Heald, officer in the United States Army during the War of 1812 (d. 1832) September 25 – Pierre Flor, Norwegian politician (d. 1848) September 26 – James Grimston, 1st Earl of Verulam, British peer and Member of Parliament (d. 1845) September 29 David McConaughy, American pastor and fourth president of Washington College from 1831 to 1852 (d. 1852) François Michel de Rozière, French mining engineer and mineralogist (d. 1842) Herbert Taylor, British Army officer (d. 1839) September 30 – Robert Adrain, Irish-born American mathematician (d. 1843) October–December October 2 – Cornelius O'Callaghan, 1st Viscount Lismore, Irish politician (d. 1857) October