Ellen Corby was 34 in It's a Wonderful Life when she played the character 'Ms. Davis (uncredited)'.
That was over 77 years ago in 1946.
In 1999 she died aged 87, starring in 93 films in her career, 79 of those after It's a Wonderful Life was first released. If she were alive today she would be 113.
In It's a Wonderful Life, I think Ellen Corby looks: