Who was the character in To Killa Mockingbird who had mentall illness?

Answer 1

There wasn't a character where Harper Lee came flat out and said they had a mental illness. Boo Radley was very possible that he did have one. He stayed in his house for almost the entire book. It was very possible that he had one.

Answer 2

The character in "To Kill a Mockingbird" with a mental illness is Boo Radley. He is a reclusive neighbor who is rumored to be unstable, but in reality, he is simply a misunderstood individual who faces discrimination due to his eccentric behavior.