Cloris Leachman was 44 in The Last Picture Show when she played the character 'Ruth Popper'.
That was over 53 years ago in 1971.
In 2021 she died aged 94, starring in 141 films in her career, 131 of those after The Last Picture Show was first released. If she were alive today she would be 98.
In The Last Picture Show, I think Cloris Leachman looks: