Youngest person to win an Oscar was 10 years old
Tatum Beatrice O'Neal became the youngest person to win an Oscar at the age of 10 in 1974. She won the Oscar for Best Supporting Actress for the 1973 film Paper Moon. Tatum played the role of 'Addie Loggins', a child con artist being tutored by a Depression-era swindler played by her father, Ryan O'Neal. 