Mary Ann Cotton was an English serial killer who was convicted for the murder of her stepson. Cotton is believed to have killed 11 of her children and three of her husbands for their insurance policies. Mary Ann Cotton was sentenced to death and was executed by hanging.
Amelia Dyer was an English serial killer who killed infants over a 30-year period. She exercised the practice of baby farming and murdered children after taking them under her care. Amelia Dyer's killings inspired a murder ballad. Her case also led to stricter laws for child protection and adoption in the UK.
Beverley Allitt is an English serial child killer, convicted ,of murdering four children and grievously injuring several others. Previously employed as a State Enrolled Nurse, she attacked 13 children over a 59-day period, out of which four died. She received 13 life sentences for the crimes and is detained at Rampton Secure Hospital in Nottinghamshire.

Myra Hindley was an English murderer accused of raping and killing five children aged between 10 and 17 along with her partner, Ian Brady. The killings, which were carried out between July 1963 and October 1965, were dubbed the Moors murders. The killings and its aftermath were dramatized and adapted into an award-winning TV film titled Longford.

Rosemary West is a British serial killer Who torturing and killing at least nine women between 1973 and 1987. She committed the crimes along with her husband Fred West. She also mudered her eight-year-old stepdaughter in 1971. She was convicted of 10 murders in 1995 and was sentenced to life imprisonment. Rosemary West is currently serving her sentence at HM Prison New Hall.