Indian tribe
There is an Illinois highway named after her: the Jane Addams Memorial Tollway.
There is no town in Illinois named Arena.
Calhoun, Illinois was. Calhoun, California was named after Calhoun, Illinois, somewhat ironically.
Indian tribe
Illinois's name comes from the Illiniwek Indians and means "the people"
Yes.
According to the US Postal Service, there is no town named "Kensington" in Illinois.
Indiana or Illinois, actually Illinois was named after the Illini tribe
It was named after the Illinois River, which got its name from the Illinois Indians. The nick name of the Illinois University athletic teams is the Fighting Illini.
I am willing to speak on the behalf of all of the citizens of Illinois to answer your question. Yes, there is a Mars. Thank you!
Joliet, Illinois
Illinois