NOTE: Determining the number of victims of a serial killer with precision is seldom possible. Below you will find ranges of estimates taken from various sources.
►100 or more victims (33)
Agrippina the Younger– 59 AD – Rome – more than 100
Bamberger, Henrietta– 1899 – St. Louis, Mo. – 300 babies estimated
Báthory, Elizabeth– 1610 – Čachtice Castle, Hungary – est. 80-600
Bedwarska, Madame– 1892 – Lodz, Poland – 117 babies buried in cellar
Blanco, Griselda– 1985 – Miami, Florida – drug mafia, 200+
Deshayes, Catherine (“La Voisin”) – 1679 – Paris, France – (2,500)
Dyer, Amelia– 1896 – Reading, England – ext. 300 babies
Fazekas, Suzanna– 1929 – Nagyrev, Hungary – estimated over 100
“Grey Nuns of Montreal”– 1876 – Montreal, Canada – 631 babies
Gruber, Maria – 1989 – Vienna, Austria – Lainz Angels of Death– est. 49-300
Guzovska, Madame– 1903 – Warsaw, Poland – over 500 babies
Holmen, Mrs. (alias, true name unknown) – 1906 – Stockholm, Sweden – 1,000 victims
Ishikawa, Miyuki(Kyuuki)– 1948 – Tokyo, Japan – 103
Jager, Mari– 1897 – Hodmozoe, Hungary – more than 100
Kusnezowa, Madame– 1913 – Archangel, Russia – 1,000+ babies
Leidolf, Irene – 1989 – Vienna, Austria – Lainz Angels of Death– 300
Meyer,Stephanija– 1989 – Vienna, Austria – Lainz Angels of Death– est. 49-300
Mwerinde, Credonia– 2000 – Kunungu, Uganda – 3 bros; 700+ cult followers
“Osaka Baby Farmers”– 1902 – Osaka, Japan – 300 babies
“Osaka ‘Devil Woman’Baby-Killer”– 1906 – Osaka Japan – over 100 babies
“Paris Baby-Killers”– 1906 – Quartier Vivienne, Paris, France – 120 children
Popov, Thekla– 1882 – Melencze, (Serbia); Hungary – about 100
Popova, Madame– 1909 – Samara, Ukraine – about 300
Sach, Amelia & Annie Walters– 1902 – Finchley, England – probably 100s of babies
Saltykova, Darya Nikolayevna– 1762 – Moscow, Russia – 132
Soulakiotis, Mariam– 1952 – Keratea, Greece – 177
Spara, Hieronyima– late 1600s – Italy – more than 100, multiple arrests of accomplices (executed)
Szabo, Frau– 1929 – Nagyrev, Hungary – 7 confirmed, est. around 100
Tann,Georgia– 1950 – Memphis, Tennessee – probably many 100s of babies
Thompson, Coleen – 2003 – Rockville, Maryland – 211 suspected
“Vivienne Midwife”– 1906 – Paris, France – over 120 babies
Wagner, Waltraud – 1989 – Vienna, Austria – Lainz Angels of Death– est. 49-300
Young, Lila Gladys– 1945 – Halifax, Nova Scotia, Can. – 400-600
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►50-99 victims
Brinvilliers, Marquise de, Marie-Madeleine-Marguerite d'Aubray– 1676 – Paris, France –50> (executed)
Geisen-Volk, Helene– 1925 – New York, N. Y. – 53
Mabre, Louise– 1763 – Paris, France – 62 infants, executed 1763
Messalina, Valeria– 48 AD – Rome –50>
Myer, Frau– 1892 – Bockenheim, Germany BF – 58 babies
Noskina, Feiga– 1892 – Vilna, Russia – 65 babies
Skoblinska, Madame– 1890 – Warsaw, Poland – 50 babies
Swanenburg, Maria– 1883 – Leiden, Netherlands – susp. of 90; 27 deaths + 55 survivors
Toppan, Jane– 1901 – Boston, Ma. – 31 confessed; 70-100 estimated
Tydryich, Leontina– 1927 – Bialystock, Poland – 60
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►20-49 victims
Abbott, Evelyn– 1891 – Roxbury, Ma. – scores of babies
Archer-Gilligan, Amy– 1917 – Windsor, Ct. – 20 (40>)
Barraza, Juana– 2006 – Mexico City, Mexico – 29-49 women
Barthian, Mme. – 1893 – Metz, France – 25 bodies in back yard
Blauenstiner, Elfriede – 1995 – Vienna, Austria – 5>(22)
Cannon, Martha “Patty”– 1829 – Johnson’s Corners, Maryland – 25 (>)
Cotton, Mary Ann– 1873 – West Auckland, England – 15-22 (+)
Faludi, Timea – 2002 – Hungary, Budapest – 40 vic, nurse
Guilfort, Lady(alias) – late 1600s – “Princess Jabirouska” – Paris, France – 26
Gunness, Belle– 1908 – La Porte, Indiana – 20+
Hausmännin, Walpurga– 1587 – Dillingen, Austria – 40 (executed)
“Indonesian Cannibal Female Serial Killer”– 2012 – Indonesia – more than 30 girls
Tamarin, Ivanova & Olda– 1912 – Kurdla, Estonia – 27 +
Jones, Genene Ann – 1984 – Kerrville, Texas – 11-46 children
Konopkova, Marianne– 1906 – Wieliczka, Poland –30 infants
Malèvre, Christine – 1998 – Versailles, France – 7 (30), nurse
McCrary, Carolyn – 1972 – USA – (Couple: Sherman M, & 3 fam ms)– 11 (22)
Mitchell, Alice– 1907 – Perth, Australia – <37 babies
Nagy, Julianne– 1935 – Hungary, Debreczen – 22+
Nivison, Symenthe S.– 1884 – Hammonton, N.H. – 21 bodies, “scores” suspected
Overbye, Dagmar– 1929 – Copenhagen, Denmark – 9-25
Petromany, Martha– 1906 – Knez, Hungary – 25 total
“Przemysi Baby Farmers”– 1893 – Austria – 27 babies buried in cigar boxes
Renczi, Vera– 1925 – Bekerekul, Jugoslavia – 35
Ríos y Lisperguer, Catalina de los– 1660 – Chile; 17-39
Sach, Amelia & Annie Walters– 1902 – Finchley, England, 30+
“Sao Paulo Girl”– 2011 – Sao Paulo, Brazil – (30, based on confession)
Scierri, Antoinette– 1925 – Nimes, France – 6 conv; 30 est.
Stomoli, Gaetana– 1895 – Catania, Italy – 23 chn
Waters, Margaret– 1870 – London, England – 16 (35) (executed)
Weber, Jeanne– 1908 – Paris, France – 8 (<20)
Zhiqun, Duan – 2003 – Shenzhen, China – 20 female victims
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