Use this graphic organizer to help your students understand irony in My Brother Sam Is Dead. Irony is a contrast between what is expected and what actually exists or happens. More specifically, situational irony occurs when a character or the reader—expects one thing to happen but something entirely different takes place. There are several examples of irony in the book, My Brother Sam Is Dead. The first example is when Sam calls the British soldiers Lobsterbacks because they wear red uniforms. This is an example of irony because at the time Sam is also wearing a red uniform of the Connecticut militia. Look for other examples of irony in the novel.