Died in 1777

Jan 6 Luigi Maria Torregiani an Italian Cardinal.
Jan 10 Spranger Barry an Irish actor.
Jan 12 Hugh Mercer a soldier and physician. He initially served with British forces during the Seven Years' War but later became a brigadier general in the Continental Army and a close friend to George Washington. Mercer died as a result of his wounds received at the Battle of Princeton and became a fallen hero and rallying symbol of the American Revolution
Jan 27 Hubert de Brienne a French naval commander.
Jan 30 Enrichetta d'Este an Italian noblewoman. She was the Duchess of Parma by marriage to Antonio Farnese, Duke of Parma, who was her first cousin as well as an uncle of Elisabeth Farnese, Queen of Spain
Feb 3 Hugh Kelly (poet) an Irish dramatist and poet. From the 1760s he was employed as a propagandist for the British government, attacking members of the Opposition. After arriving in London in 1760 to work as a staymaker, he soon turned to become a writer and made a living as a journalist. In 1766 he published Thespis, a long poem about the acting profession, which gained him wide attention. He followed up this success with the novel Memoirs of a Magdalen in 1767. He ultimately became known for his stage plays such as False Delicacy and A Word to the Wise
Feb 9 Seth Pomeroy an American gunsmith and soldier from Northampton, Massachusetts. His military service included the French and Indian War and the early stages of the American Revolutionary War. He fought as a private soldier in the Battle of Bunker Hill, but was later appointed a major general in the Massachusetts militia
Feb 24 Joseph I of Portugal the King of Portugal and the Algarves from 31 July 1750 until his death.
Feb 28 Jacob Faggot a Swedish scientist.
Mar 1 Georg Christoph Wagenseil an Austrian composer.
Mar 1 Józef Aleksander Jabłonowski a Polish nobleman.
Mar 22 Friederike Charlotte of Hesse-Darmstadt a princess of Hesse-Darmstadt and through her marriage a princess of Hesse-Kassel.
Apr 12 Claude Prosper Jolyot de Crébillon a French novelist.
Apr 29 Antonio Joli an Italian painter of vedute.
May 7 Charles de Brosses a French writer of the 18th century.
May 11 George Pigot 1st Baron Pigot the British governor of Madras.
Jun 16 Jean-Baptiste-Louis Gresset a French poet and dramatist, best known for his poem Vert-Vert.
Jun 22 Johann Friedrich Cartheuser a German physician and naturalist.
Jul 1 Dai Zhen a prominent Chinese scholar of the Qing dynasty from Xiuning, Anhui. A versatile scholar, he made great contributions to mathematics, geography, phonology and philosophy. His philosophical and philological critiques of Neo-Confucianism continue to be influential
Jul 13 Guillaume Coustou the Younger a French sculptor.
Jul 23 Yakov Shakhovskoy a Russian statesman.
Jul 27 William Hayes (composer) an English composer, organist, singer and conductor.
Aug 19 Johann Christian Polycarp Erxleben a German naturalist from Quedlinburg.
Aug 23 Celia Grillo Borromeo an Italian mathematician and scientist.
Aug 23 Charles-Joseph Natoire a French painter in the Rococo manner, a pupil of François Lemoyne and director of the French Academy in Rome, 1751-1775. Considered during his lifetime the equal of François Boucher, he played a prominent role in the artistic life of France
Aug 24 Antun Kanižlić a Croatian Jesuit and poet.
Sep 22 John Bartram an early American botanist, horticulturist and explorer. Carolus Linnaeus said he was the "greatest natural botanist in the world."
Sep 25 Johann Heinrich Lambert a Swiss mathematician, physicist, philosopher and astronomer. He is best known for proving the Irrationality of π
Oct 5 Johann Andreas Segner a Hungarian scientist. He was born in the Kingdom of Hungary, in the former Hungarian capital city of Pozsony
Oct 6 Marie Thérèse Rodet Geoffrin has been referred to as one of the leading female figures in the French Enlightenment. From 1750–1777, Madame Geoffrin played host to many of the most influential Philosophes and Encyclopédistes of her time. Her association with several prominent dignitaries and public figures from across Europe has earned Madame Geoffrin international recognition. Her patronage and dedication to both the philosophical Men of Letters and talented artists that frequented her house is emblematic of her role as guide and protector. In her salon on the rue Saint-Honoré, Madame Geoffrin demonstrated qualities of politeness and civility that helped stimulate and regulate intellectual discussion. Her actions as a Parisian salonnière exemplify many of the most important characteristics of Enlightenment sociability
Oct 12 Alexander Sumarokov a Russian poet and playwright who single-handedly created classical theatre in Russia, thus assisting Mikhail Lomonosov to inaugurate the reign of classicism in Russian literature.
Oct 21 Samuel Foote a British dramatist, actor and theatre manager from Cornwall. He was known for his comedic acting and writing, and for turning the loss of a leg in a riding accident in 1766 to comedic opportunity
Nov 6 Bernard de Jussieu a French naturalist, younger brother of Antoine de Jussieu.
Nov 10 Cornstalk a prominent leader of the Shawnee nation just prior to the American Revolution. His name, Hokoleskwa, translates loosely into "stalk of corn" in English, and is spelled Colesqua in some accounts. He was also known as Keigh-tugh-qua and Wynepuechsika
Nov 13 William Bowyer (printer) an English printer.
Dec 12 Albrecht von Haller a Swiss anatomist, physiologist, naturalist and poet. A pupil of Herman Boerhaave, he is often referred to as "the father of modern physiology."
Dec 23 Anton Cajetan Adlgasser a German organist and composer at Salzburg Cathedral and at court, and composed a good deal of liturgical music as well as oratorios and orchestral and keyboard works.
Dec 30 Maximilian III Joseph Elector of Bavaria Prince-elector of the Holy Roman Empire and Duke of Bavaria from 1745 to 1777.