October 1, 1868 - Amy Archer-Gilligan

Amy Duggan "Sister" Archer-Gilligan (October 31, 1873 – April 23, 1962) was a nursing home proprietor and serial killer from Windsor, Connecticut. She murdered at least five people by poisoning them.

It is possible that Archer-Gilligan was involved in more deaths. The authorities counted 48 deaths in her nursing home, the "Archer Home for the Elderly and Infirm."

The case attracted wide publicity at the time and has been cited as an inspiration for the play Arsenic and Old Lace.

Content sourced from en.wikipedia.org/wiki/Amy Archer-Gilligan under CC BY-SA 4.0.