Marybeth Tinning (ne Roe, born on September 11, 1942) is an American prisoner currently serving a 20 years to life sentence after being convicted of the murder of one of her children. Marybeth Roe was born in Duanesburg, a small town in New York. She and her younger brother both attended Duanesburg High School, where she was a typical student. Her father, Alton Roe, worked as a press operator for General Electric. She tried to kill herself several times as a child. Over the next few years, she worked in a series of low wage jobs. Eventually, she became a nurse's aide at Ellis Hospital in Schenectady. In 1963, she met Joe Tinning on a blind date. The couple married in spring 1965. In December 1971, Tinning gave birth to a daughter whom the couple named Jennifer. A sickly child, Jennifer never left the hospital and died there on January 3, 1972. The cause of death was a severe infection, which was diagnosed as meningitis.
Contributions by Treybien, Bearian, and Wooyi.