First person to win an Oscar award for best actress for a debut performance

First person to win an Oscar award for best actress for a debut performance
Who
Shirley Booth
Where
United States (RKO Pantages Theatre)
When
19 March 1953
At the 1952 Academy Awards held at RKO Pantages Theatre, USA on 19 March 1953, stage actress Shirley Booth (USA, b. Thelma B. Ford 1897-1992) won Best Actress for Come Back, Little Sheba (USA 1952) based on a play she previously had performed on Broadway. Not very popular in flims - she returned to the stage, with a small stint on TV in the early 1960's in the comedy series Hazel.
When she died, it was discovered she was ten years older than most books had listed.