Examine the Themes of Innocence and Experience in To Kill a Mockingbird Innocence is a time when a person has never done something; it is the first step of the journey from innocence to experience. The second step in this movement is experience and this is what is achieved after a person has done something they have never done before or learns something they have never known before. This theme of growth from innocence to experience occurs many times in To Kill a Mockingbird and is one of