Judith O'Fallon, née Judith Rich, is a retired American statistician. She was elected as a Fellow of the American Statistical Association in 1984, and is also a lifetime member of it.
In 1973 she received a PhD in statistics from the University of North Carolina at Chapel Hill. Her dissertation was "Discriminant Analysis Under Truncation" and her advisor was N.L. Johnson.
She was president of the Eastern North American Region (ENAR) of the International Biometric Society in 1994.
She worked as a research statistician at the Mayo Clinic until she retired.
Her most cited papers are:
She married William Michael (Mike) O’Fallon on September 2, 1961. They had two sons, Liam and Sean. William died on February 19, 2022.
She became a Rotarian in 1989.