The first birth on record in Chicago, Illinois was of Eulalia Pointe du Sable, daughter of Jean-Baptiste Pointe du Sable and his Potawatomi Indian wife in 1796.
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The abbreviation "ORD" for Chicago's O'Hare airport in Illinois comes from the original name Orchard Field. O'Hare Airport was named in honor of Lieutenant Commander Edward H. "Butch" O'Hare.
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The NFL's Chicago Bears were first known as the "Staley Bears". They were organized in 1920, in Decatur, Illinois.