The youngest of three, Dibby grew up in Jonesboro, Arkansas. Shortly after graduating from high school, she went on to attend college at the University of Arkansas in Fayetteville. After college, Dibby moved to Washington D. C. It was in this city she went on to work for the FBI. Two years passed, and Dibby transferred to D.C. where she also worked for the FBI. With a temporary job working for Yale University, she headed off to New York for 6 months. After that, Dibby joined the State Department. So, it was back to Washington D. C. where she lived in George Town for one year.