Died in 1842

Jan 10 Aylmer Bourke Lambert a British botanist, one of the first fellows of the Linnean Society.
Jan 12 Wilhelm Traugott Krug a German philosopher and writer.
Jan 15 Jean Baptiste Antoine Guillemin a French botanist.
Jan 29 Pierre Cambronne a General of the French Empire. He fought during the wars of the Revolution and the Napoleonic Era. He was wounded at the Battle of Waterloo
Feb 4 Théodore Simon Jouffroy a French philosopher.
Feb 15 Archibald Menzies a Scottish surgeon, botanist and naturalist.
Feb 15 Carlo Andrea Pozzo di Borgo a Corsican politician who became a Russian diplomat.
Feb 16 Johann Nepomuk Schaller an Austrian sculptor. His most famous work is a bust of Beethoven, created at the request of the composer's friend Karl Holz. It was later presented to the Royal Philharmonic Society, London, on the occasion of the Beethoven Centennial
Feb 18 Thomas Hazlehurst (businessman) an English businessman who founded the soap and alkali manufacturing company of Hazlehurst & Sons in Runcorn, Cheshire. He was also a devoted Methodist and he played a large part in the civic matters of the town
Mar 1 Jean-François Roger a French politician, journalist, poet and dramatic author. During the Revolution, at 16 years of age, he and his family were imprisoned for seventeen months for singing royalist songs. He was a civil servant, and he entered l' University where he published works of school literature. He was later appointed Professor during the Empire and Restoration. He was elected member of the French Academy, as a replacement for Suard, on 8 August 1817 and received by the duke of Lévis on 30 November next. His election was widely criticized. He was a member of the Commission of the Dictionary where he fought the Lacretelle proposal, accepted Villemain and the count of Holy-Aulaire and voted against Victor Hugo. He was one of the companions of the “Lunch of the Fork”. Of his comic and lyric works, sometimes written in collaboration with Etienne de Jouy, his greatest success is a comedy in verse, in three acts: L'Avocat, played for the first time at the Comédie-Française
Mar 6 Arnold Hermann Ludwig Heeren a German historian.
Mar 6 Constanze Mozart the wife of Wolfgang Amadeus Mozart.
Mar 7 Wiremu Kingi Maketu the first person executed in New Zealand under British rule. Maketu was also the first New Zealand Māori to be tried and punished based on British sovereignty over New Zealand
Mar 7 Paul Frederick Grand Duke of Mecklenburg-Schwerin ruled as Grand Duke of Mecklenburg-Schwerin from 1837 to 1842.
Mar 13 Henry Shrapnel a British Army officer whose name has entered the English language as the inventor of the "shrapnel shell".
Mar 15 Luigi Cherubini an Italian composer who spent most of his working life in France. His most significant compositions are operas and sacred music. Beethoven regarded Cherubini as the greatest of his contemporaries
Mar 19 Pierre Révoil a French painter in the Troubadour style.
Mar 23 Stendhal a 19th-century French writer. Known for his acute analysis of his characters' psychology, he is considered one of the earliest and foremost practitioners of realism, as is evident in the novels Le Rouge et le Noir and La Chartreuse de Parme
Mar 30 Louise Élisabeth Vigée Le Brun recognized as the most important female painter of the 18th century.
Apr 3 Anne Nompar de Caumont a mistress of the Count of Provence, who later became Louis XVIII.
Apr 5 Shah Shujah Durrani ruler of the Durrani Empire from 1803 to 1809. He then ruled from 1839 until his death in 1842. Shuja Shah was of the Sadozai line of the Abdali group of Pashtuns. He became the fifth Emir of Afghanistan
Apr 6 Johann Anton André a German composer and music publisher best known for his central place in Mozart research.
Apr 11 Sándor Kőrösi Csoma a Hungarian philologist and Orientalist, author of the first Tibetan-English dictionary and grammar book. He was called Phyi-glin-gi-grwa-pa in Tibetan, meaning "the foreign pupil" and was given the title of Bosatsu or Boddhisatva by the Japanese in 1933. He was born in Kőrös, Grand Principality of Transylvania. His birth date is often given as 4 April, although this is actually his baptism day and the year of his birth is debated by some authors who put it at 1787 or 1788 rather than 1784. The Magyar ethnic group, the Székelys, to which he belonged believed that they were derived from a branch of Attila's Huns who had settled in Transylvania in the fifth century. Hoping to study the claim and to find the place of origin of the Székelys and the Magyars by studying language kinship, he set off to Asia in 1820 and spent his lifetime studying the Tibetan language and Buddhist philosophy. Csoma de Kőrös is considered as the founder of Tibetology. He was said to have been able to read in seventeen languages. He died in Darjeeling while attempting to make a trip to Lhasa in 1842 and a memorial was erected in his honour by the Asiatic Society of Bengal
Apr 14 Jean-Nicolas Bouilly a French playwright, librettist, children's writer, and politician of the French Revolution. He is best known for writing a libretto, supposedly based on a true story, about a woman who disguises herself as a man to rescue her husband from prison, which formed the basis of Beethoven's opera Fidelio as well as a number of other operas
Apr 14 Alejandro María Aguado 1st Marquis of the Guadalquivir Marshes born of Old Christian parentage, originally from La Rioja, at Seville. He began life as a soldier, fighting with distinction in the Spanish War of Independence first against French, then on the side of Joseph Bonaparte. After the Battle of Baylen he entered the French army, in which he rose to be colonel and aide-de-camp to Marshal Soult. He was exiled in 1815, and immediately started business as a commission-agent in Paris, where, chiefly through his family connexions in Havana and Mexico, he acquired in a few years enough wealth to enable him to undertake banking. The Spanish government gave him full powers to negotiate the loans of 1823, 1828, 1830 and 1831; and Ferdinand VII. rewarded him with the title of marquis, the decorations of several orders and valuable mining concessions in Spain. Aguado also negotiated the Greek loan of 1834. In 1828, having become possessed of large estates in France, including the Château Margaux, famous for its wine, he was naturalized as a French citizen. He died at in Spain on April 14, 1842, leaving a fortune 'computed at 60,000,000 francs, and a splendid collection of pictures which at his death was sold by auction
Apr 21 Bertrand Clausel a marshal of France.
Apr 23 Louis-François Bertin de Vaux a French journalist.
Apr 28 Charles Bell a Scottish surgeon, anatomist, neurologist, and philosophical theologian. He is noted for discovering the difference between sensory nerves and motor nerves in the spinal cord. He is also noted for describing Bell's Palsy
Apr 30 Giuseppe Benedetto Cottolengo a saint of the Roman Catholic Church.
May 5 Karl Wilhelm von Toll a Baltic German aristocrat and Russian subject who served in the Imperial Russian Army in the campaigns against the Napoleonic Army.
May 8 Jules Dumont d'Urville a French explorer, naval officer and rear admiral, who explored the south and western Pacific, Australia, New Zealand and Antarctica. As a botanist and cartographer he left his mark, giving his name to several seaweeds, plants and shrubs, and places such as D'Urville Island
May 9 Karol Kniaziewicz a Polish general and political activist.
May 10 Amos Eaton considered the founder of the modern scientific prospectus in education, which was a radical departure from the American liberal arts tradition of classics, religious classes, lecture, and recitation. Eaton co-founded the Rensselaer School in 1824 with Stephen van Rensselaer III "in the application of science to the common purposes of life". His books in the eighteenth century were among the first published for which a systematic treatment of the United States was attempted, and in a language that all could read. His teaching laboratory for botany in the 1820s was the first of its kind in the country. Eaton's popular lectures and writings inspired numerous thinkers, in particular women, whom he encouraged to attend his public talks on experimental philosophy. Emma Willard would found the Troy Female Seminary , and Mary Mason Lyon, the Mount Holyoke Female Seminary. Eaton held the rank of senior professor at Rensselaer until his death in 1842
May 12 Walenty Wańkowicz a Belarusian painter.
May 15 Emmanuel comte de Las Cases a French atlas-maker and author, famed for an admiring book on Napoleon.
May 18 Joseph-Jacques Ramée a French architect, interior designer, and landscape architect working within the neoclassicist idiom.
May 22 John Harfield Tredgold an English chemist in the Cape Colony in Africa. He held a number of voluntary roles including Secretary of the British and Foreign Anti-Slavery Society. The suburb of Cape Town called Harfield drew its name from Tredgold's middle name
May 23 José de Espronceda a Romantic Spanish poet.
Jun 12 Thomas Arnold an English educator and historian. Arnold was an early supporter of the Broad Church Anglican movement. He was the headmaster of Rugby School from 1828 to 1841, where he introduced a number of reforms
Jun 17 Arthur Conolly a British intelligence officer, explorer and writer. He was a captain of the 6th Bengal Light Cavalry in the service of the British East India Company. He participated in many reconnaissance missions into Central Asia and coined the term The Great Game to describe the struggle between the British Empire and the Russian Empire for domination over Central Asia
Jun 20 Michael Umlauf an Austrian composer, conductor, and violinist. His father, Ignaz Umlauf, was also a notable composer. His sister Elisabeth Hölzel had a career as a contralto and her son Gustav Hölzel was an important bass-baritone
Jun 25 Jean Charles Léonard de Sismondi Simonde, was a writer born at Geneva. He is best known for his works on French and Italian history, and his economic ideas
Jun 26 Peter Oluf Brøndsted Danish archaeologist and traveller.
Jul 13 Prince Ferdinand Philippe Duke of Orléans the eldest son of Louis Philippe d'Orléans, Duke of Orléans and future King Louis Philippe Born in exile in his mother's native Sicily, he was their heir to the House of Orléans from birth. Following his father's succession as King of the French in 1830, he became the Prince Royal and subsequently Duke of Orléans , the title by which he is best known. Dying in 1842, he never succeeded his father nor saw the collapse of the July Monarchy and subsequent exile of his family to England
Jul 19 Francisco Tadeo Calomarde y Arría a Spanish statesman.
Jul 19 Pierre Joseph Pelletier a French chemist who did notable research on vegetable alkaloids, and was the co-discoverer of quinine and strychnine.
Jul 24 John Sell Cotman an English marine and landscape painter, etcher, illustrator and author, a leading member of the Norwich school of artists.
Jul 25 Dominique Jean Larrey a French surgeon in Napoleon's army and an important innovator in battlefield medicine.
Jul 28 Clemens Brentano a German poet and novelist, and a major figure of German Romanticism.
Aug 18 João Domingos Bomtempo a Portuguese classical pianist, composer and pedagogue.