Died in 1691

Jan 13 George Fox an English Dissenter and a founder of the Religious Society of Friends, commonly known as the Quakers or Friends.
Feb 1 Pope Alexander VIII Pope from 6 October 1689 to his death in 1691. He is the last pope to take the pontifical name of "Alexander" upon his election to the papacy
Feb 8 Carlo Rainaldi an Italian architect of the Baroque period.
Mar 5 Jean-Jacques Renouard de Villayer a member of the French Conseil d'État, which had been delegated special legal authorities by the absolutist reigning King Louis XIV.
Apr 3 Jean Petitot a French-Swiss enamel painter.
Apr 23 Jean-Henri d'Anglebert a French composer, harpsichordist and organist. He was one of the foremost keyboard composers of his day
Apr 30 Kirill Poluektovich Naryshkin the maternal grandfather of Peter the Great.
May 10 John Birch (soldier) an English politician who sat in the House of Commons at various times between 1646 and 1691. He fought for the Parliamentary cause in the English civil war
May 16 Jacob Leisler a German born American colonist. He helped create the Huguenot settlement of New Rochelle in 1688 and later served as the acting Lieutenant Governor of New York. Beginning in 1689, he led an insurrection dubbed Leisler's Rebellion in colonial New York, seizing control of the colony until he was captured and executed in New York City for treason for William and Mary
May 23 Adrien Auzout a French astronomer.
May 29 Cornelis Tromp a Dutch naval officer. He was the son of Lieutenant Admiral Maarten Tromp. He became Lieutenant Admiral General in the Dutch Navy and briefly Admiral General in the Danish Navy. He fought in the first three Anglo-Dutch Wars and in the Scanian War
Jul 16 François-Michel le Tellier Marquis de Louvois the French Secretary of State for War for a significant part of the reign of Louis XIV. Louvois and his father, Michel le Tellier, would increase the French Army to 400,000 soldiers, an army that would fight four wars between 1667 and 1713. He is commonly referred to as "Louvois"
Jul 26 Henry Cavendish 2nd Duke of Newcastle an English politician who sat in the House of Commons from 1660 to 1676, and then inherited the dukedom.
Jul 30 Daniel Georg Morhof a German writer and scholar.
Aug 2 Frederick I Duke of Saxe-Gotha-Altenburg a duke of Saxe-Gotha-Altenburg. He was the fourth but eldest surviving son of Ernst I, Duke of Saxe-Coburg-Altenburg and Elisabeth Sophie of Saxe-Altenburg
Aug 14 Richard Talbot 1st Earl of Tyrconnell an Irish royalist and Jacobite soldier.
Aug 19 Köprülü Fazıl Mustafa Pasha engaged in a war against the Holy League countries in the Great Turkish War. He was a member of the Köprülü family of Albanian origin. His father Köprülü Mehmed Pasha, his elder brother Köprülü Fazıl Ahmed Pasha, as well as his two brothers-in-law were former grand viziers. His epithet Fazıl means "wise" in Ottoman Turkish
Aug 30 Andrzej Potocki a Polish szlachcic, magnate.
Sep 12 John George III Elector of Saxony Elector of Saxony from 1680 to 1691. He belonged to the Albertine line of the House of Wettin
Oct 9 William Sacheverell an English politician who sat in the House of Commons in two periods between 1670 and 1691.
Oct 10 Isaac de Benserade a French poet.
Oct 11 Israel Silvestre a prolific French draftsman, etcher and print dealer who specialized in topographical views and perspectives of famous buildings. Orphaned at an early age, he was taken in by his uncle in Paris, Israel Henriet, an etcher and print-seller, and friend of Jacques Callot. Between 1630 and 1650 Silvestre travelled widely in France, Spain and Italy, which he visited three times, and later worked up his sketches as etchings, which were sold singly and in series. His work, especially of Venetian subjects published in the 1660s, influenced eighteenth-century painters of vedute such as Luca Carlevaris and Canaletto, who adapted his compositions
Oct 18 Christian I Duke of Saxe-Merseburg the first duke of Saxe-Merseburg and a member of the House of Wettin.
Nov 7 Pieter Cornelisz van Slingelandt known as one of Leiden's fijnschilders.
Nov 14 Tosa Mitsuoki a Japanese painter.
Nov 15 Aelbert Cuyp one of the leading Dutch landscape painters of the Dutch Golden Age in the 17th century. The most famous of a family of painters, the pupil of his father Jacob Gerritsz Cuyp , he is especially known for his large views of the Dutch countryside in early morning or late afternoon light
Dec 1 Louis Henri de Pardaillan de Gondrin a French nobleman, most notable as the husband of Louis XIV's mistress Madame de Montespan.
Dec 8 Richard Baxter an English Puritan church leader, poet, hymn-writer, theologian, and controversialist. Dean Stanley called him "the chief of English Protestant Schoolmen". After some false starts, he made his reputation by his ministry at Kidderminster, and at around the same time began a long and prolific career as theological writer. After the Restoration he refused preferment, while retaining a non-separatist Presbyterian approach, and became one of the most influential leaders of the Nonconformists, spending time in prison
Dec 15 Hendrik van Rheede a military man and a colonial administrator of the Dutch East India Company and naturalist. Between 1670 and 1677 he served as a governor of Dutch Malabar and employed twenty-five people on his book Hortus Malabaricus, describing 740 plants in the region. The plant Entada rheedii is named for him
Dec 31 Robert Boyle an Anglo-Irish natural philosopher, chemist, physicist, and inventor. Born in Lismore, County Waterford, Ireland, he was also noted for his writings in theology. Although his research clearly has its roots in the alchemical tradition, Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of modern chemistry, and one of the pioneers of modern experimental scientific method. He is best known for Boyle's law, which describes the inversely proportional relationship between the absolute pressure and volume of a gas, if the temperature is kept constant within a closed system. Among his works, The Sceptical Chymist is seen as a cornerstone book in the field of chemistry
Dec 31 Dudley North (economist) an English merchant, politician and economist, a writer on free trade.