A list of events in the 1900s related to serial killers.
1900[]
- March 6 — Ada Williams died.
- April 6 — Cayetano Grossi died.
- October 23 — Leo Hannan is born.
- ? — Moise Alexandru is born.
- ? — Martha Kristine Andresen is apprehended.
1901[]
- January 8 — Henry Gein (suspected victim) is born.
- October 21 — Winona Freeman is born.
- October 29 — Jane Toppan is apprehended.
- December 6 — T. J. Hampton died.
- December 14 — Jake Bird is born.
- ? — Enrico Ballor is apprehended.
- ? — Fred Hardy is apprehended.
- ? — Anna Przygodda is apprehended.
- ? — John Robinson is apprehended.
1902[]
- January 3 — John Robinson died.
- April 6 — Mabel Bell (victim) is born in 1902.
- April 6 — Jennie Gunness is murdered by Belle Gunness.
- September 19 — Fred Hardy died.
- ? — Agnes Ledford is born.
- ? — William Sloan is born.
1903[]
- March 18 — Samuel Herbert Dougal is apprehended.
- April 7 — George Chapman died.
- July 14 — Samuel Herbert Dougal died.
- September 22 — Inez Brennan is born.
- ? — Charles Barr is born.
- ? — Joseph Briggen died.
- ? — Frank Henry Burness is apprehended.
- ? — George Chapman is apprehended.
- ? — Vera Renczi is born.
- ? — Angles Snell is apprehended.
- ? — Elisabeth Wiese is apprehended.
1904[]
- April 30 — Mary McDonald is murdered by the "Cumminsville Killer".
- June 27 — Frank Henry Burness died.
- ? — Casimir Dankerque is born.
- ? — Louis Gosden is born.
- ? — William Kunnecke is apprehended.
- ? — Martha Marek is born.
1905[]
- January 28 — Yoshio Kodaira is born.
- February 2 — Elisabeth Wiese died.
- May 29 — Otokosaburo Noguchi is apprehended.
- July 17 — Robert Butler died.
- October 6 — Jarvis Catoe is born.
- November 4 — Nannie Doss is born.
- ? — Domenico Brambilla is born.
- ? — Robert Butler is apprehended.
- ? — Martin Gray is born.
- ? — Alva Nordberg is apprehended.
- ? — Milka Pavlović is born.
- ? — Houston Roberts is born.
1906[]
- January 3 — Sarah Jane Robinson died.
- January 11 — Harold Jones is born.
- January 22 — Pierre Basson is apprehended.
- January 22 — Pierre Basson died.
- February 23 — Johann Otto Hoch died.
- July 7 — Anna Marie Hahn is born.
- July 15 — William Bayly is born.
- August 27 — Ed Gein is born.
- October 8 — Johann Eichhorn is born.
- November 3 — Louis Dabner and John Siemsen are apprehended.
- November 9 — Gordon Stewart Northcott is born.
- ? — Herman Billik is apprehended.
- ? — Elmer Helm is apprehended.
- ? — Vitor Nikolić is apprehended.
- ? — Józef Zakrzewski is born.
1907[]
- March 26 — Emile Dubois died.
- April 6 — Ole Budsberg is murdered by Belle Gunness.
- August 5 — Robert Irwin is born.
- ? — Herman Allen is born.
- ? — James Baker is born.
- ? — Leroy Keith is born.
- ? — Florentino Lluva Macho is born.
- ? — Rhonda Belle Martin is born.
- ? — Vitor Nikolić died.
1908[]
- February 5 — Eugène Weidmann is born.
- February 18 — Oliverio Castañeda Palacios is born.
- April 3 — Bruno Lüdke is born.
- April 28 — Myrtle Sorenson, Lucy Sorenson and Philip Gunness are murdered by Belle Gunness.
- April 28 — Belle Gunness died.
- May 8 — Jeanne Weber is apprehended.
- June ? — Katsutaro Baba died.[Contradictory]
- July 2 — Otokosaburo Noguchi died.
- July 8 — Monroe Hickson is born.
- July 17 — Edward Walton died.
- July 31 — Louis Dabner died.
- July 31 — John Siemsen died.
- August 17 — Donald Merrett is born.
- August ? — Katsutaro Baba is apprehended.[Contradictory]
- October 20 — Kau Kobayashi is born.
- ? — Saif Al-Qalam is born.
- ? — Francisco Guerrero Pérez is apprehended.
1909[]
- July 24 — John Haigh is born.
- December 15 — Ralph Von Braun Selz is born.
- December 23 — Poral Stefoff died.
- ? — Eiichi Hyakutake is apprehended.
- ? — Taka Hyakutake is apprehended.
- ? — Frederick Jahns is apprehended.
- ? — Lauren Porter is born.
- ? — Alberto Scabini is born.