Editing 1691 (section)

=== January–March ===
* [[January 10]] – [[Wolf Caspar von Klengel]], German builder, architect and officer (b. [[1630]])
* [[January 13]] – [[George Fox]], English founder of the Society of Friends (b. [[1624]])
* [[January 17]] – [[Richard Lower (physician)|Richard Lower]], English physician (b. [[1631]])
* [[January 19]] – [[Giacinto Brandi]], Italian painter (b. [[1621]])
* [[January 22]] – [[Edward Master]], English politician (b. [[1610]])
* [[January 23]] – [[William Maurice, Prince of Nassau-Siegen]] (b. [[1649]])
* [[January 24]] – [[James Bishop (colonial administrator)|James Bishop]], English-born 23rd Deputy Governor of Connecticut (b. [[1625]])
* [[January 25]] – [[Anthonie Hals]], painter from the Northern Netherlands (b. [[1621]])
* [[January 28]] – [[John Ashton (Jacobite)|John Ashton]], English courtier and Jacobite conspirator (b. [[1653]])
* [[January 29]] – [[Asai Ryōi]], Buddhist priest and writer (b. [[1612]])
* [[February 1]] – [[Pope Alexander VIII]], pope of the Catholic Church from 1689 to 1691 (b. [[1610]])
* [[February 4]] – [[Paul Amman]], German botanist and physician (b. [[1634]])
* [[February 7]] – [[Nguyễn Phúc Trăn]], Vietnamese ruler (b. [[1650]])
* [[February 8]] – [[Carlo Rainaldi]], Italian architect (b. [[1611]])
* [[February 12]] – [[Brother Lawrence]], French Christian monk (b. [[1614]])
* [[February 19]] – [[Sir Thomas Lee, 1st Baronet]], English politician (b. [[1635]])
* [[February 20]] – [[Juan Francisco de la Cerda, 8th Duke of Medinaceli]], Spanish politician (b. [[1637]])
* [[February 21]]
** [[Hans Willem van Aylva]], Dutch soldier (b. [[1633]])
** [[Antonio Bichi]], Catholic cardinal (b. [[1614]])
* [[February 22]] – [[Juan del Vado]], Spanish composer (b. [[1625]])
* [[February 25]] – [[Antonio de Benavides y Bazán]], Roman Catholic patriarch (b. [[1610]])
* [[February 27]] – [[Luo Wenzao]], First Chinese bishop (b. [[1615]])
* [[February 28]]
** [[Joseph Moxon]], British hydrographer (b. [[1627]])
** [[Mathias Spieler]], Swedish architect (b. [[1640]])
* [[March 1]] – [[Sultan Bahu]], Punjabi Sufi mystic, poet and scholar (b. [[1630]])
* [[March 5]] – [[Jean-Jacques Renouard de Villayer]], French postal pioneer (b. [[1607]])
* [[March 8]] – [[Gabriel Souart]], Canadian priest (b. [[1611]])
* [[March 11]] – [[Giulio Spinola]], Italian cardinal (b. [[1612]])
* [[March 15]] – [[Anna Salome of Manderscheid-Blankenheim]], Abbess of Thorn Abbey, later abbess of Essen Abbey (b. [[1628]])
* [[March 17]] – [[Thomas Wynne]], English personal physician of William Penn (b. [[1627]])
* [[March 19]] – [[Nicholas De Mayer]], Dutch politician (b. [[1635]])
* [[March 29]] – [[Nicolas Talon]], French Jesuit (b. [[1605]])