Dorothea Nancy Waddingham

36 year old Nurse Waddingham used morphine to poison one of her 
elderly patients, 89 year old Mrs. Baguely and her daughter Ada, 
the motive being gain.  England, hanged, 1936, 


http://www.microwaredata.co.uk/murder-uk/bookhtml_w/waddingham_dn00.html

http://www.geocities.com/CapitolHill/6142/femhang.html