Died in 1827

Jan 5 Prince Frederick Duke of York and Albany the second eldest child and second son of King George III of the United Kingdom and a member of the House of Hanover. From the death of his father in 1820 until his own death in 1827, he was the heir presumptive to his elder brother, King George IV, both to the United Kingdom and the Kingdom of Hanover
Jan 8 Pōmare III the king of Tahiti between 1821 and 1827. He was the second son of King Pōmare II and his wife Queen Teriʻitoʻoterai Teremoemoe. Sources differ on his relation to his sister with missionary sources citing them as half-siblings while later sources cited Teremoemoe as both of their mother
Jan 13 Jean Denis comte Lanjuinais a French politician, lawyer, jurist, journalist, and historian.
Jan 23 Domenico Alberto Azuni an Italian jurist.
Feb 2 Johann Nepomuk Kalcher a German organist and composer. Instructor of Carl Maria von Weber and student of Joseph Graetz
Feb 8 Constantin Denis Bourbaki a Greek officer educated in France, and serving in the French military. He fought in the last phases of the Napoleonic Wars, and after 1825, joined the Greek War of Independence. He was killed in 1827 following his defeat at the Battle of Kamatero. He is the father of French General Charles Denis Bourbaki
Feb 10 William Mitford the elder of the two sons of John Mitford, a barrister and his wife Philadelphia Reveley.
Feb 17 Semyon Gangeblov a Russian military commander of the Napoleonic Wars. He came of the Georgian noble family Gangeblidze , which emigrated to Russia in 1724
Feb 17 Johann Heinrich Pestalozzi a Swiss pedagogue and educational reformer who exemplified Romanticism in his approach.
Feb 18 Antoine Nicolas Duchesne a French botanist known for his keen observation of variation within species, and for demonstrating that species are not immutable, because mutations can occur. "As Duchesne's observations were unaided by knowledge of modern concepts of genetics and molecular biology, his insight was truly remarkable." His particular interests were in strawberries and gourds
Feb 19 Armand Augustin Louis de Caulaincourt a French soldier, diplomat and close personal aide to Napoleon Bonaparte.
Feb 22 Charles Willson Peale an American painter, soldier and naturalist. He is best remembered for his portrait paintings of leading figures of the American Revolution, as well as for establishing one of the first museums
Feb 27 Simón de Roxas Clemente y Rubio a renowned Spanish botanist, considered to be the father of Spanish ampelography.
Mar 1 Christopher Gore a prominent Massachusetts lawyer, Federalist politician, and U.S. diplomat. Born into a family divided by the American Revolution, Gore sided with the victorious Patriots, established a successful law practice in Boston, and built a fortune by purchasing Revolutionary government debts at a discount and receiving full value for them from the government
Mar 5 Pierre-Simon Laplace an influential French scholar whose work was pivotal to the development of mathematics, statistics, physics, and astronomy. He summarized and extended the work of his predecessors in his five-volume Mécanique Céleste. This work translated the geometric study of classical mechanics to one based on calculus, opening up a broader range of problems. In statistics, the Bayesian interpretation of probability was developed mainly by Laplace
Mar 5 Alessandro Volta an Italian physicist known for the invention of the battery in the 1800s.
Mar 21 Daulat Scindia the king of Gwalior state in central India from 1794 until his death in 1827. His reign coincided with struggles for supremacy within the Maratha Confederacy, and with Maratha resistance to the consolidation of British hegemony over northern and central India in the early 18th century. Daulatrao played a significant role in the Second and Third Anglo-Maratha wars
Mar 26 Ludwig van Beethoven a German composer and pianist. A crucial figure in the transition between the Classical and Romantic eras in Western art music, he remains one of the most famous and influential of all composers. His best-known compositions include 9 symphonies, 5 concertos for piano, 32 piano sonatas, and 16 string quartets. He also composed other chamber music, choral works , and songs
Mar 27 François Alexandre Frédéric duc de la Rochefoucauld-Liancourt a French social reformer.
Mar 27 Dmitry Venevitinov a minor Russian Romantic poet who died at the age of 21, carrying with him one of the greatest hopes of Russian literature.
Apr 2 Ludwig Heinrich Bojanus a German physician and naturalist who spent most of his active career teaching at Vilnius University in Tsarist Russia.
Apr 3 Ernst Chladni a German physicist and musician. His most important work, for which he is sometimes labeled the "father of acoustics", included research on vibrating plates and the calculation of the speed of sound for different gases. He also undertook pioneering work in the study of meteorites and so is also regarded by some as the "father of meteoritics"
Apr 12 Friederike Auguste Sophie of Anhalt-Bernburg a princess consort of Anhalt-Zerbst. She was married to Frederick Augustus, Prince of Anhalt-Zerbst, and sister-in-law to the Russian Empress Catherine the Great. She was the regent governor of Jever from April 1793 until October 1806
Apr 13 Hugh Clapperton a Scottish naval officer and explorer of West and Central Africa.
Apr 17 Paul Grenier joined the French royal army and rapidly rose to general officer rank during the French Revolutionary Wars. He led a division in the 1796-1797 campaign in southern Germany. During the 1800 campaign in the Electorate of Bavaria he was a wing commander. Beginning in 1809, in the Napoleonic Wars, Emperor Napoleon I entrusted him with corps commands in the Italian theater. A skilled tactician, he was one of the veteran generals who made the Napoleonic armies such a formidable foe to the other European powers. After the Bourbon Restoration he retired from the army and later went into politics. Grenier is one of the Names inscribed under the Arc de Triomphe
Apr 18 Pierre François Joseph Durutte joined the French army at the beginning of the French Revolutionary Wars. Rapidly promoted for feats of bravery under fire at Jemappes in 1792 and Hondschoote in 1793, he found himself appointed to serve as a staff officer. He distinguished himself during the Anglo-Russian invasion of Holland in 1799 and received promotion to general officer. During the successful 1800 campaign he fought in Jean Victor Marie Moreau's army. Promoted again in 1803, his career then stalled because of his association with the banished Moreau and his unwillingness to see Napoleon Bonaparte as emperor
Apr 21 Thomas Rowlandson an English artist and caricaturist.
Apr 23 Georgios Karaiskakis a famous Greek klepht, armatolos, military commander, and a hero of the Greek War of Independence.
Apr 25 Princess Charlotte of Saxe-Meiningen a member of the House of Saxe-Meiningen and a Princess of Saxe-Meiningen by birth and a member of the House of Saxe-Gotha-Altenburg and Duchess consort of Saxe-Gotha-Altenburg through her marriage to Ernest II, Duke of Saxe-Gotha-Altenburg.
Apr 26 János Bihari an influential Hungarian Romani violinist. He is one of the founders of Romani academic music and the musical genre verbunkos
Apr 29 Rufus King an American lawyer, politician, and diplomat. He was a delegate for Massachusetts to the Continental Congress. He also attended the Constitutional Convention and was one of the signers of the United States Constitution on September 17, 1787, in Philadelphia, Pennsylvania. He represented New York in the United States Senate, served as Minister to Britain, and was the Federalist candidate for both Vice President and President of the United States
May 5 Frederick Augustus I of Saxony King of Saxony from the House of Wettin. He was also Elector Frederick Augustus III of Saxony and Duke Frederick Augustus I of Warsaw. The Augustusplatz in Leipzig is named after him
May 6 François-Frédéric Lemot a French sculptor, working in the Neoclassical style.
May 14 Louis Ramond de Carbonnières a French politician, geologist and botanist. He is regarded as one of the first explorers of the high mountains of the Pyrenees who can be described as a pyrénéiste
May 31 Pierre Louis Prieur a French lawyer elected to the Estates-General of 1789. During the French Revolution he served as a deputy to the National Convention and held membership in the Committee of Public Safety
Jun 21 José Joaquín Fernández de Lizardi Mexican writer and political journalist, best known as the author of El Periquillo Sarniento , translated as The Mangy Parrot in English, reputed to be the first novel written in Latin America.
Jun 25 Christian August Vulpius a German novelist and dramatist. His sister married the noted German writer Johann Wolfgang von Goethe
Jun 26 Samuel Crompton an English inventor and pioneer of the spinning industry. Building on the work of James Hargreaves and Richard Arkwright he invented the spinning mule, a machine that revolutionised the industry worldwide
Jun 27 Johann Gottfried Eichhorn a German Protestant theologian of the Enlightenment and an early orientalist.
Jul 6 Sir Thomas Munro 1st Baronet a Scottish soldier and colonial administrator. He was an East India Company Army officer and statesman
Jul 8 Robert Surcouf a French privateer and slave trader who operated in the Indian Ocean between 1789 and 1801, and again from 1807 to 1808, capturing over 40 prizes, while amassing a large fortune as a ship-owner, both from privateering and from commerce.
Jul 14 Augustin-Jean Fresnel a French engineer and physicist who contributed significantly to the establishment of the theory of wave optics. Fresnel studied the behaviour of light both theoretically and experimentally
Jul 21 Archibald Constable a Scottish publisher, bookseller and stationer.
Jul 22 Ludwig Heinrich von Jakob a German philosopher, political scientist and economist. During the French occupation of Germany, he worked as a consultant and professor in Russia
Jul 23 Jean-Barthélemot Sorbier a French general of the Napoleonic Wars.
Aug 8 George Canning a British statesman and politician who served as Foreign Secretary and was briefly Prime Minister.
Aug 12 William Blake an English painter, poet and printmaker. Largely unrecognised during his lifetime, Blake is now considered a seminal figure in the history of the poetry and visual arts of the Romantic Age. His prophetic poetry has been said to form "what is in proportion to its merits the least read body of poetry in the English language". His visual artistry led one contemporary art critic to proclaim him "far and away the greatest artist Britain has ever produced". In 2002, Blake was placed at number 38 in the BBC's poll of the 100 Greatest Britons. Although he lived in London his entire life , he produced a diverse and symbolically rich oeuvre, which embraced the imagination as "the body of God" or "human existence itself"
Sep 4 Heinrich Boie a German zoologist. He was the brother of Friedrich Boie. In the field of herpetology they described 49 new species of reptiles and several new species of amphibians
Sep 10 Ugo Foscolo an Italian writer, revolutionary and poet.
Sep 19 Abram Combe a British utopian socialist and Christian social reformer, an associate of Robert Owen and a major figure in the early co-operative movement.