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

Richard J. Dennis, a commodities speculator once known as the "Prince of the Pit," was born in Chicago, in January, 1949. In the early 1970s, he borrowed $1,600 and reportedly made $200 million in about ten years. When a futures trading fund under his management incurred significant losses in the stock market crash of 1987 he retired from trading for several years. He has been active in Democratic and Libertarian political causes, most notably in campaigns against drug prohibition.

Douglas Howard Ginsburg is an American jurist and academic who serves as a judge on the United States Court of Appeals for the District of Columbia Circuit. He was appointed to that court at age 40 in October 1986 by President Ronald Reagan, and served as its chief judge from July 2001 until February 2008. Ginsburg was nominated by Reagan to fill a U.S. Supreme Court vacancy after the retirement of Lewis F. Powell in October 1987, but soon withdrew from consideration after his earlier marijuana use created controversy.

Joann Marie Slater, known professionally as Ann Marie, is an American singer-songwriter, from Chicago, Illinois. She is signed to Interscope Records. She is best known for her single "Secret", which has garnered over 50 million views on YouTube and peaked at number 22 on the Billboard Hot R&B Songs chart. Her debut EP Pretty Psycho was released on July 10, 2019.

Reverend Marvin Jerome Yancy was an American gospel musician, pastor and Grammy-winning record producer, and former pastor of Fountain of Life Baptist Church. He started his music career, in 1971, with The Independents, who were an American R&B vocal group. His lone solo album, Heavy Load, was released on January 1, 1985, by Nashboro Records, and it placed at No. 4 on the Billboard magazine Gospel Albums chart.

Loie Fuller, also known as Louie Fuller and Loïe Fuller, was an American actress and dancer who was a pioneer of both modern dance and theatrical lighting techniques.

Robert Spillane is an American football linebacker for the Pittsburgh Steelers of the National Football League (NFL). He played college football at Western Michigan.

Blake Schilb is an American-born Czech professional basketball player for Champagne Châlons-Reims Basket of the French League. Standing 6 ft 7 in (2.01 m), he plays the point forward position.

James Anthony Happ is an American professional baseball pitcher for the Minnesota Twins of Major League Baseball (MLB). He previously played for the Philadelphia Phillies, Houston Astros, Toronto Blue Jays, Seattle Mariners, Pittsburgh Pirates, and New York Yankees. Though his name is James Anthony and his initials are "J. A.", he pronounces his name as "Jay".

Ruth Elizabeth "Bazy" Tankersley was an American breeder of Arabian horses and a newspaper publisher. She was a daughter of U.S. Senator Joseph Medill McCormick. Her mother was progressive Republican U.S. Representative Ruth Hanna McCormick, making Tankersley a granddaughter of the Senator Mark Hanna of Ohio. Although Tankersley was involved with conservative Republican causes as a young woman, including a friendship with Senator Joseph McCarthy, her progressive roots reemerged in later years; by the 21st century, she had become a strong supporter of environmental causes and backed Barack Obama for president in 2008.

Gail Russell was an American film and television actress.