Died in 1749

Jan 27 Nicolas-Henri Tardieu a prominent French engraver, known for his sensitive reproductions of Antoine Watteau's paintings. He was appointed graveur du roi to King Louis XV of France. His second wife, Marie-Anne Horthemels, came from a family that included engravers and painters. She is known as an engraver in her own right. Nicolas-Henri and Marie-Anne Tardieu had many descendants who were noted artists, most of them engravers
Feb 1 Françoise Marie de Bourbon the youngest legitimised daughter of Louis XIV of France and his maîtresse-en-titre, Françoise-Athénaïs, marquise de Montespan. Originally known as the second Mademoiselle de Blois, that style eventually gave way to the name Françoise Marie de Blois. She married her first cousin Philippe d'Orléans in 1692 at the age of fourteen and bore eight children, four of which would have further progeny
Feb 7 André Cardinal Destouches a French composer best known for the opéra-ballet Les élémens.
Feb 11 Philip Livingston (1686–1749) the son of Robert Livingston the Elder, and elder brother of Robert Livingston of Clermont. Philip was the second Lord of Livingston Manor, a merchant, and slave trader
Mar 12 Alessandro Magnasco an Italian late-Baroque painter active mostly in Milan and Genoa. He is best known for stylized, fantastic, often phantasmagoric genre or landscape scenes
May 23 Abraham ben Abraham a purported Polish nobleman of the Potocki family who converted to Judaism and was burned at the stake by the Roman Catholic Church because he had renounced Catholicism and had become an observant Jew. According to Jewish oral traditions, he was known to the revered Talmudic sage, the Vilna Gaon , and his ashes were interred in the relocated grave of the Vilna Gaon in Vilna's new Jewish cemetery. Some historians who have studied his story have stated that surprisingly little evidence of Potocki's existence has yet been discovered other than several 19th-century sources citing earlier oral histories, and they therefore consider that he most likely did not exist
May 30 Sophie Charlotte of Hesse-Kassel a princess of Hesse-Kassel and by marriage Duchess of Mecklenburg.
Jun 4 Count Friedrich August von Harrach-Rohrau plenipotentiary minister of the Austrian Netherlands and became Governor-General ad interim in 1741–1744.
Jun 13 Jan Frans van Bloemen a Flemish landscape painter mainly active in Rome. Here he was able to establish himself as the leading painter of views of the Roman countryside depicted in the aesthetic of the classical landscape tradition
Jun 16 Johann Baptista Ruffini an important salt trader in Bavaria.
Jun 18 Ambrose Philips an English poet and politician.
Jul 3 William Jones (mathematician) a Welsh mathematician, most noted for his proposal for the use of the symbol π to represent the ratio of the circumference of a circle to its diameter. He was a close friend of Sir Isaac Newton and Sir Edmund Halley. In November, 1711 he became a Fellow of the Royal Society, and was later its Vice-President
Jul 4 Joseph Van Aken a Flemish artist, a portrait, genre and drapery painter who spent most of his career in England. He was noted his skill in painting fabrics, and was employed as a costume painter by many leading artists
Jul 5 John Montagu 2nd Duke of Montagu a British peer.
Jul 12 Charles de la Boische Marquis de Beauharnois a French Naval officer who served as Governor of New France from 1726 to 1746.
Jul 19 Armand Gaston Maximilien de Rohan a French churchman and politician. He became bishop of Strasbourg in 1704, Cardinal in 1712 then Grand Almoner of France in 1713 and member of the regency council in 1722
Aug 13 Johann Elias Schlegel a German critic and dramatic poet.
Aug 29 Matthias Bel a Slovak Lutheran pastor and polymath from the Kingdom of Hungary. He is also known as the Great Ornament of Hungary. He described himself as "lingua Sla-vus, natione Hungarus, eruditione Germanus"
Sep 10 Émilie du Châtelet a French mathematician, physicist, and author during the Age of Enlightenment. Her crowning achievement is considered to be her translation and commentary on Isaac Newton's work Principia Mathematica. The translation, published posthumously in 1759, is still considered the standard French translation
Sep 14 Richard Temple 1st Viscount Cobham a British soldier and Whig politician. After serving as a junior officer under William III during the Williamite War in Ireland and during the Nine Years' War, he fought under John Churchill, 1st Duke of Marlborough during the War of the Spanish Succession. During the War of the Quadruple Alliance Temple led a force of 4,000 troops on a raid on the Spanish coastline which captured Vigo and occupied it for ten days before withdrawing. In Parliament he generally supported the Whigs but fell out with Sir Robert Walpole in 1733. He was known for his ownership of and modifications to the estate at Stowe Park and for serving as a political mentor to the young William Pitt
Sep 17 Johann Georg Liebknecht a German theologian and scientist. He was professor of mathematics and theology at the Ludoviciana in Giessen, Germany
Oct 4 Baron Franz von der Trenck an Austrian soldier.
Oct 26 Louis-Nicolas Clérambault a French musician, best known as an organist and composer. He was born and died in Paris
Nov 14 Maruyama Gondazaemon a sumo wrestler. He is formally recognised as the third yokozuna. His real name was Haga Gindayu. He came from a village in the Sendai Domain
Nov 19 Carl Heinrich Biber a late Baroque violinist and composer.
Nov 27 Gottfried Heinrich Stölzel a prolific German baroque composer.
Dec 4 Claudine Guérin de Tencin a French salonist and author. She was the mother of Jean le Rond d'Alembert, philosophe and contributor to the Encyclopédie, though she left him on the steps of the Saint-Jean-le-Rond de Paris church a few days after his birth
Dec 5 Pierre Gaultier de Varennes sieur de La Vérendrye a French Canadian military officer, fur trader and explorer. In the 1730s he and his four sons opened up the area west of Lake Superior and thus began the process that added Western Canada to the original New France in the Saint Lawrence basin. He was also the first European to reach North Dakota and the upper Missouri River. In the 1740s two of his sons crossed the prairie as far as Wyoming and were the first Europeans to see the Rocky Mountains north of New Mexico
Dec 19 Francesco Antonio Bonporti an Italian priest and amateur composer.
Dec 23 Mark Catesby an English naturalist. Between 1729 and 1747 Catesby published his Natural History of Carolina, Florida and the Bahama Islands, the first published account of the flora and fauna of North America. It included 220 plates of birds, reptiles and amphibians, fish, insects, and mammals, as well as plants