Cloris Leachman was 41 in Butch Cassidy and the Sundance Kid when she played the character 'Agnes'.
That was over 55 years ago in 1969.
In 2021 she died aged 94, starring in 141 films in her career, 137 of those after Butch Cassidy and the Sundance Kid was first released. If she were alive today she would be 98.
In Butch Cassidy and the Sundance Kid, I think Cloris Leachman looks: