Her real name was Frances "Fanny" Rose Shore, and she was born in Winchester, Tennessee. Stricken with polio at 18 months of age, she recovered after receiving the Sister Kenny treatment. She became a cheerleader at Hume-Fogg High School in Nashville and went on to graduate from Vanderbilt University in 1938, where she majored in sociology. She took voice and acting lessons on the side and sang on radio station WSM in Nashville. In 1938 she left Tennessee for New York City and began singing on radio station WNCW in New York. Her first recordings were with bandleader Xavier Cugat, and she later changed her named to Dinah after her success with the song of the same name. She received numerous Emmy awards for television specials and productions and appeared in many films. She was married to actor George Montgomery, with whom she had one daughter and adopted a son.