Background
She was born Chloe Ann Tehon on September 7, 1943, in Watseka, Iroquois County, Illinois, the daughter of Stephen W. Tehon PhD (1920–2009) and Betty Irene "Mae" (Albright) Tehon (1922–2010).
She was born Chloe Ann Tehon on September 7, 1943, in Watseka, Iroquois County, Illinois, the daughter of Stephen W. Tehon PhD (1920–2009) and Betty Irene "Mae" (Albright) Tehon (1922–2010).
In 1952, the family moved to Syracuse, New York where Stephen W. Tehon worked for General Electric. She graduated B.S. in 1967, and later M.S., both from SUNY Potsdam. Then she taught school.
They lived in Parishville. Her husband died on December 10, 1992, in a car accident, and Chloe Ann O'Neil was nominated by the Republicans to run in the special election to fill the vacancy. She was elected on February 16, 1993, and remained in the Assembly (112th D) until 1998, sitting in the 190th, 191st and 192nd New York State Legislatures.
Her husband was a member of the New York State Assembly from 1981 to 1992.