List of Famous people born in Illinois, United States of America

Sue Carol was an American actress and talent agent. Carol's film career lasted from the late 1920s into the 1930s; when it ended, she became a talent agent. The last of her three marriages was to one of her clients, Alan Ladd, from 1942 until his death in 1964.

Jim O'Rourke is an American musician and record producer. He was long associated with the Chicago experimental and improv scene. Around 2000, he relocated to New York City before moving to Japan, where he currently resides. O’Rourke is best known for his numerous solo and collaborative projects, many of which are entirely instrumental, and for his tenure as a member of Sonic Youth from 1999 to 2005. He has released albums across varied genres, including singer-songwriter music, post-rock, ambient, noise music, and tape experiments.

Mary Victoria Curzon, Baroness Curzon of Kedleston, CI was a British peeress of American background who was Vicereine of India, as the wife of Lord Curzon of Kedleston, Viceroy of India. As Vicereine of India, she held the highest official title in the Indian Empire that a woman could hold.

Marilyn Wilson-Rutherford is an American singer best known as the first wife of Beach Boy Brian Wilson, and as the mother of singers Carnie Wilson and Wendy Wilson of Wilson Phillips. In the 1960s, she founded the Honeys, and after their dissolution in 1969, she founded American Spring with her sister Diane Rovell.

Dorothy Ayer Gardner King Ford was the mother of U.S. President Gerald Ford.

Edgar John Bergen was an American actor, comedian and radio performer, best known for his proficiency in ventriloquism and his characters Charlie McCarthy and Mortimer Snerd. He was the father of actress Candice Bergen.

Michael J. Reilly Jr. is an American professional ice hockey defenseman currently playing for the Boston Bruins of the National Hockey League (NHL). He was originally selected by the Columbus Blue Jackets in the fourth round of the 2011 NHL Entry Draft and previously played in the NHL for the Minnesota Wild, Montreal Canadiens and Ottawa Senators.

Richard Joseph Daley was an American politician who served as the Mayor of Chicago from 1955 and the chairman of the Cook County Democratic Party Central Committee from 1953 until his death. He has been called "the last of the big city bosses" who controlled and mobilized American cities. Daley was Chicago's third consecutive mayor from the working-class, heavily Irish-American South Side neighborhood of Bridgeport, where he lived his entire life. He was the patriarch of the Daley family, whose members include Richard M. Daley, another former mayor of Chicago; William M. Daley, a former United States Secretary of Commerce; John P. Daley, a member of the Cook County Board of Commissioners; and Patrick Daley Thompson, an alderman of the Chicago City Council.

Nelle Clyde Wilson Reagan was the mother of United States President Ronald Reagan (1911–2004) and his older brother Neil Reagan (1908–1996).

Thomas Slade Gorton III was an American politician and attorney. A member of the Republican Party, he served as a United States Senator from Washington from 1981 to 1987 and again from 1989 until 2001. He held both of the state's U.S. Senate seats in his career and was narrowly defeated for reelection twice, first in 1986 by Brock Adams and again in 2000 by Maria Cantwell following a recount. As of 2021, he was the last Republican U.S. Senator from Washington.