- Jan 1 Paul Adam, French writer (L'enfant d'Austerlitz), dies at 57
- Jan 3 Zygmunt Janiszewski, Polish mathematician, dies at 31
- Jan 4 Benito Pérez Galdós, Spanish novelist (Episodios Nacionales), dies at 76
- Jan 7 Edmund Barton, Australian politician, 1st Prime Minister of Australia (1901-03), dies at 70
- Jan 14 John Francis Dodge, American automobile pioneer (Co-Founder of Dodge Brothers Company), dies at 55
- Jan 16 Reginald De Koven, American composer, dies at 60
- Jan 20 Georg Lurich, Estonian wrestler and strongman of the early 20th century, dies at 43
- Jan 25 Amedeo Modigliani, Italian painter and sculptor (Reclining Nude), dies at 35
- Feb 7 Alexander Vasilevich Kolchak, Russian Imperial Navy Admiral, polar explorer, and anti-communist leader, dies at 45
- Feb 8 Richard Dehmel, German poet and writer, dies at 56
- Feb 12 Émile Sauret, French violinist and composer, dies at 67
- Feb 12 Jean Allemane, French socialist/communard (allemanisten), dies at 77
- Feb 12 Ottalee Baker, Frank "Home Run" Baker's wife, dies at 31
- Feb 20 Jacinta Marto, Portuguese saint and youngest witness of the Blessed Virgin Mary at Fátima, dies in the flu epidemic at 9
Robert Peary (1856-1920)
Feb 20 American arctic explorer who claimed to have 1st reached geographic North Pole (Apr 6 1909), dies at 63
- Feb 23 Alexander Alexandrovich Il'yinsky, composer, dies at 61
- Feb 25 Prince Louis of Liechtenstein, Liechtenstein nobleman and politician, dies at 73
- Feb 26 Ludwig Rubiner, German poet and essayist, dies at 38
- Feb 27 Alexandru Dimitrie Xenopol, Romanian historian, dies at 72
- Mar 1 John H. Bankhead, U.S. Senator from Alabama, dies at 77
- Mar 1 Joseph Trumpeldor, Zionist activist, killed defending Tel-Mai against arab attack
- Mar 3 Theodor Philipsen, Danish painter, dies at 79
- Mar 8 Rafael Obligado, Argentine writer (Santos Vega), dies at 69
- Mar 8 Wilhelm Bousset, German theologist and historian, dies at 54
- Mar 11 Julio Garavito Armero, Colombian astronomer (b. 1865)
- Mar 20 Venustiano Carranza, president Mexico (1915-20), murdered at 60
- Mar 21 Federigo Tozzi, Italian writer and journalist (Torre, Tre Croci), dies from pneumonia at 37
- Mar 26 William Chester Minor, American surgeon and contributor to the Oxford English Dictionary (b. 1834)
- Mar 27 Johan G Danser, Dutch poet (Meetings), dies at 26
- Apr 3 Homer Newton Bartlett, American pianist, organist and composer, dies at 74
- Apr 7 Karl Binding, German jurist (b. 1841)
- Apr 8 Charles Tomlinson Griffes, American composer (White Peacock), dies of influenza at 35
- Apr 10 Moritz B. Cantor, German historian of mathematics, dies at 90
- Apr 10 Tryggve Andersen, Norwegian writer (Mod Kvaeld), dies at 53
- Apr 16 John Conrad Nordqvist, Swedish composer, dies at 80
- Apr 21 Maria Stanford, American pioneering educator and professor, dies at 83
- Apr 26 Srinivasa Ramanujan, Indian mathematician (number theory), dies of illness at 32
- Apr 29 William Henry Seward, Jr., Union Brigadier General in the American Civil War (b. 1839)
John Wesley Hyatt (1837-1920)
May 10 American inventor who simplified the production of celluloid, dies at 82
- May 11 (Vincenzo) "Big Jim" Colosimo, Italian-American gangster, murdered in Chicago by an organized crime hitman at 42
- May 11 William Dean Howells, American novelist, critic and editor (A Woman's Reason), dies at 83
- May 16 Joselito [José Gómez Ortega], Spanish matador (bullfighter) prodigy, gored to death by a bull at 25
- May 16 Levi Parsons Morton, American ambassador and politician (R) (Vice President of the United States 1889-93, Governor of New York 1895-96), dies at 96 [1]
- May 17 Maitland Hathorn, South African cricketer (325 runs in 12 Tests South African 1901-11), dies at 42
- May 21 Venustiano Carranza, Mexican President (1917-1920), executed by army generals after his decision that the next President be a civilian (61)
- May 23 Svetozar Boroević, Austro-Hungarian field marshal, dies at 63
- Jun 5 Rhoda Broughton, Welsh author (b. 1840)
- Jun 13 Essad Pasja, Albanian military man/minister, murdered at the Versailles Peace Conference
Max Weber (1864-1920)
Jun 14 German sociologist, economist and historian (Ancient Judaism), dies at 56
- Jun 15 Michel-Gaston Carraud, French composer, dies at 55
- Jun 20 Dmitry Ivanovsky, Russian Botanist who discovered the organisms that came to be known as viruses, dies at 55
- Jun 27 Adolphe-Basile Routhier, French Canadian lyricist ("O Canada"), dies at 81
- Jun 30 Lena Christ, German writer (The Rumplhanni), commits suicide at 38
- Jul 2 William Louis Marshall, American general and engineer, dies at 74
- Jul 3 William Crawford Gorgas, American physician and 22nd Surgeon-General of the U.S. Army (controlled yellow fever during building of the Panama Canal), dies at 65
- Jul 5 John Shuter, cricketer (scored 28 in only Test for England 1888), dies
- Jul 5 Max Klinger, German graphic artist, painter and sculptor (Paraphrase on the Finding of a Glove), dies at 63
- Jul 10 Eugénie de Montijo, Emperor of France (1853-71), dies at 94
- Jul 10 Jackie Fisher, British admiral (b. 1841)
- Jul 10 John A "Jacky" Kilverston, adm/designer (dreadnought), dies at 79
- Jul 22 William Kissam Vanderbilt, member of the Vanderbilt family (b. 1849)
- Jul 23 Conrad Kohrs, German-born cattle rancher in Montana, dies at 84
- Jul 26 Carlos Troyer, American composer, dies at 83
- Aug 1 Bal Gangadhar Tilak, early Indian nationalist leader, dies at 64
- Aug 2 Ormer Locklear, American movie stunt pilot (The Great Air Robbery), dies at 28
- Aug 4 Vladimir Rebikov, Russian pianist and composer, dies at 54
- Aug 6 Stefan Bastyr, Polish aviator, first flight in independent Poland (b. 1890)
- Aug 10 Ádám Politzer, Hungarian-Austrian physician, dies at 84
- Aug 12 Louisa Lawson, Australian writer, publisher (The Dawn) and suffragist who founded The Dawn Club, dies at 72
- Aug 16 Sir Norman Lockyer, English physicist, co-founder of helium gas, founder and editor of "Nature" magazinem dies at 84
- Aug 17 Ray Chapman, American baseball shortstop (Cleveland Indians), dies after being hit in the head by a pitch from NY Yankees Carl Mays at 29
- Aug 22 Anders Zorn, Swedish painter, etcher and sculptor (Gustavus Vasa), dies at 60
- Aug 31 Wilhelm Wundt, German physiologist, psychologist and philosopher, dies at 88
- Sep 5 Robert Harron, American actor (Birth of a Nation, Intolerance), accidentally shot to death at 27
- Sep 7 Simon-Napoléon Parent, Canadian politician and 12th Premier of Quebec (1900-05), dies at 64
- Sep 15 Raimundo Madrazo y Garreta, Spanish Realistic painter, dies at 79
- Sep 16 Daniel Andersson, Swedish poet and writer (Polar History), dies at 32
- Sep 24 Peter Carl Fabergé, Russian goldsmith and jeweler (famous for Fabergé eggs), dies at 74
- Sep 25 William F. Sudds, American composer, music publisher, and teacher,, dies at 77
- Oct 2 Max Bruch, German composer (Kol Nidre), dies at 82
- Oct 2 Winthrop M. Crane, American politician, 40th Governor of Massachusetts, dies at 67
- Oct 13 Isaac Capadose, Dutch clergyman in the Catholic Apostolic Church, dies at 86
- Oct 15 Hendrik Peter Staal, Dutch reformed officer and politician, dies at 75
- Oct 16 Alberto Nepomuceno, Brazilian composer and conductor (Artemis), dies at 56
- Oct 19 John Reed, American journalist and communist activist (reported on Mexican, Russian revolutions - "Ten Days that Shook the World"), dies of typhus at 32
- Oct 25 Alexander, King of Greece (1917-20), dies after ape bite at 27
- Oct 29 Ernst Perabo, German-American composer and painist, dies at 74
- Oct 31 Alphonse Desjardins, Canadian founder of the Caisses populaires Desjardins, dies at 65
- Nov 2 Andre Dumont, Belgian mine engineer (Limburgs coal basin), dies at 73
Abraham Kuyper (1837-1920)
Nov 8 Prime Minister of the Netherlands (1901-05), dies at 83
- Nov 8 Salomon Anski, Russian-Polish yiddish author (Dibboek), dies at 57
- Nov 21 Caryl Florio [William James Robjohn], English-American composer, dies at 77
- Nov 22 Manuel Pérez y Curis, Uruguayan poet (b. 1884)
- Nov 23 Mohammed ibn Addoellah, Somalian resistances leader "Mad Molla", dies
- Nov 25 Gaston Chevrolet, French auto racer (Indianapolis 500 1920), dies in a racing accident at 28
- Nov 26 Howard Taylor, American tennis player (US National C'ships doubles 1879; singles 1884, 86, 87, 88 runner-up), dies at 55
- Dec 6 Karel Kovařovic, Czech harpist, conductor (Prague National Theatre, 1900-20), and composer (The Dogheads), dies at 57
- Dec 10 Horace Elgin Dodge, American automobile manufacturing pioneer (co-founder of Dodge Brothers Company), dies at 52
- Dec 12 Olive Schreiner, South African writer (Healing Imagination), dies at 75
- Dec 12 Paul Lacôme, French composer, dies at 82
- Dec 14 George "The Gipper" Gipp, American football player (Notre Dame), dies of a streptococcal throat infection and pneumonia at 25
- Dec 16 Ma Yuanzhang, Chinese Muslim rebel and Sufi master, crushed to death during the 1920 Haiyuan earthquake at an unknown age
- Dec 21 Claude Tozer, cricketer (dashing NSW batsman, shot to death
- Dec 31 Albert Roelofs, Dutch painter/etcher, dies at 43