Female Serial Killers in the United States

Women convicted of, or officially linked to, three or more murders. Poisoning and killings of family members or patients recur in this group far more than in the male profiles.

ColdCaseIndex currently lists 13 serial killers in this group, out of 104 profiles. The list is computed from the dataset on every build, so it changes as profiles are added.

Female Serial Killers in the United States
#NameAliasStateActiveConvictedConfessedSuspectedLegal statusFate
1Jane ToppanJolly JaneMassachusetts1895 to 1901—3131 to 100Not guilty by reason of insanityDied (other)
2Belle GunnessBrynhild Paulsdatter StørsethIndiana, Illinois1900 to 1908——14 to more than 40 (remains of at least 11 people dug up on the farm, plus three children and a headless woman in the fire ruins)Suspected, never chargedUnknown
3Amy Archer-GilliganAmy E. Archer GilliganConnecticut19141—5 to 24ConvictedDied (other)
4Nannie DossThe Giggling GrannyAlabama, North Carolina, Kansas, Oklahoma1927 to 195414up to 11ConvictedDied in prison
5Waneta HoytWaneta Ethel Nixon HoytNew York1965 to 1971555ConvictedDied in prison
6Judy BuenoanoJudias BuenoanoFlorida1971 to 19832—3ConvictedExecuted
7Marybeth TinningMarybeth Roe TinningNew York1972 to 1985138 of the 9 deathsConvictedReleased
8Velma BarfieldMargie Velma BarfieldNorth Carolina1974 to 1978145 to 7ConvictedExecuted
9Genene JonesGenene Ann JonesTexas1981 to 19822—more than a dozen to as many as 60ConvictedImprisoned
10Dorothea PuenteDorothea Montalvo PuenteCalifornia1982 to 19883—9 (charged); seven bodies recovered from her yard, one from the Sacramento River, one earlier death reclassifiedConvictedDied in prison
11Aileen WuornosAileen Carol WuornosFlorida1989 to 1990677ConvictedExecuted
12Shelly KnotekMichelle KnotekWashington1991 to 20032—3 deaths in the household (the third was her husband's conviction)ConvictedReleased
13Kristen GilbertKristen Heather StricklandMassachusetts1995 to 19964—4 murders and 3 attempted murders charged; prosecutors noted she was on duty for about half of roughly 350 deaths on her ward between 1989 and 1996, but no further murders were attributed to herConvictedImprisoned

Profiles

Not guilty by reason of insanity 1895 to 1901

Jane Toppan

Jolly Jane

Died (other). Massachusetts nurse Jane Toppan confessed in 1902 to poisoning 31 people from 1895 to 1901. A Barnstable jury found her not guilty by reason of insanity, and she died in 1938 at the Taunton state hospital, where…

Massachusetts 31 confessed Died (other)
Suspected, never charged 1900 to 1908

Belle Gunness

Brynhild Paulsdatter Størseth

Suspected, never charged. Norwegian-born widow whose La Porte, Indiana farm yielded the remains of at least 11 people after an April 1908 fire; the headless body ruled hers in 1908 is disputed and 2008 DNA tests were inconclusive.

Indiana 14 to more than 40 (remains of at least 11 people dug up on the farm, plus three children and a headless woman in the fire ruins) suspected Unknown
Convicted 1914

Amy Archer-Gilligan

Amy E. Archer Gilligan

Died (other). Amy Archer-Gilligan, who ran a home for elderly people in Windsor, Connecticut, was convicted of poisoning resident Franklin Andrews with arsenic in 1914.

Connecticut 1 convicted Died (other)
Convicted 1927 to 1954

Nannie Doss

The Giggling Granny

Died in prison. Nannie Doss pleaded guilty in 1955 to poisoning her fifth husband, Samuel Doss, in Tulsa, Oklahoma, confessed to killing four husbands, and is linked to as many as 11 family deaths from 1927 to 1954.

Oklahoma 1 convicted Died in prison
Convicted 1965 to 1971

Waneta Hoyt

Waneta Ethel Nixon Hoyt

Died in prison. Waneta Hoyt of Tioga County, New York, was convicted in 1995 of murdering her five children between 1965 and 1971, deaths long attributed to SIDS.

New York 5 convicted Died in prison
Convicted 1971 to 1983

Judy Buenoano

Judias Buenoano

Executed. Judy Buenoano was convicted of poisoning her husband James Goodyear with arsenic in Orlando in 1971 and of murdering her son Michael, who drowned in 1980. She was electrocuted at Florida State Prison in March 1998.

Florida 2 convicted Executed
Convicted 1972 to 1985

Marybeth Tinning

Marybeth Roe Tinning

Convicted in 1987 of the murder of her infant daughter Tami Lynne; nine of her children died between 1972 and 1985 in Schenectady, New York. Sentenced to 20 years to life, paroled in August 2018.

New York 1 convicted Released
Convicted 1974 to 1978

Velma Barfield

Margie Velma Barfield

Executed. Velma Barfield was convicted in 1978 of poisoning her boyfriend Stuart Taylor with arsenic in Robeson County, North Carolina, and admitted poisoning three others, including her mother.

North Carolina 1 convicted Executed
Convicted 1981 to 1982

Genene Jones

Genene Ann Jones

Imprisoned. Texas pediatric nurse convicted by a jury in 1984 of murdering 15-month-old Chelsea McClellan and injuring another child; pleaded guilty in 2020 to the 1981 murder of 11-month-old Joshua Sawyer.

Texas 2 convicted Imprisoned
Convicted 1982 to 1988

Dorothea Puente

Dorothea Montalvo Puente

Died in prison 2011. Sacramento boarding-house operator charged with nine murders after seven bodies were dug from her yard in 1988; a Monterey County jury convicted her of three in 1993 and deadlocked on six.

California 3 convicted Died in prison
Convicted 1989 to 1990

Aileen Wuornos

Aileen Carol Wuornos

Executed by Florida in 2002. Aileen Wuornos shot seven men along Florida highways in 1989 and 1990; a jury convicted her of the Richard Mallory murder and she pleaded guilty or no contest to five more, receiving six death…

Florida 6 convicted Executed
Convicted 1991 to 2003

Shelly Knotek

Michelle Knotek

Released in 2022 after serving about 19 years. Pleaded guilty (Alford pleas) in 2004 to second-degree murder of Kathy Loreno and first-degree manslaughter of Ron Woodworth, boarders who died in her Pacific County, Washington…

Washington 2 convicted Released
Convicted 1995 to 1996

Kristen Gilbert

Kristen Heather Strickland

Imprisoned for life. Former VA nurse convicted by a federal jury in March 2001 of murdering four patients and trying to kill two others with epinephrine injections at the Northampton, Massachusetts, VA Medical Center in 1995 and…

Massachusetts 4 convicted Imprisoned

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