What does the name "Hoosier" mean?
The word "Hoosier" has been associated with the state of Indiana and its inhabitants since the 1830s. Although the origin of the word is still up for debate, there is no shortage of theories.
According to the Indiana Historical Bureau, the term gained popularity in the state after the Indianapolis Journal published "The Hoosier's Nest"—a poem by John Finley, of Virginia—in 1833. Written uses of the word date back at least as far as 1827; how long it was used orally before then is unknown.
One popular theory about the word's origin is that when Indiana's first settlers responded to a knock on their cabin door they would say "Who's yere?" And from that Indiana became the "Who's yere State" or "Hoosier State."
The Indiana Historical Bureau states that
—The Fact Monster