August 20, 2017 12:54 Updated Follow There are many theories about this. Read "What is a Hoosier?" for an overview of the theories that had been put forth by the mid-1980s. A revised list that incorporates more recent scholarship on the topic is in the works. Related articles How many Hoosiers fought in the Civil War, World War I, or World War II? What is an ombudsman? Why is Indiana called Indiana? How do I view previous IAC grant recipients? How do I reserve a campsite?