Original: Dearborn County , Indiana , Dearborn , Michigan and Dearborn , Missouri were also named for him , as was Fort Dearborn in Chicago , which in turn was the namesake for Dearborn Street , a major street in downtown Chicago .
Simplified: Dearborn County , Indiana , Dearborn , Michigan and Dearborn , Missouri were also named for him , as was Fort Dearborn in Chicago , Illinois .