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Illinois

Political repression plays out state by state — shaped by local institutions, prosecutors, and movements for defense. These are the documented political prisoners and cases the census holds for Illinois.

718Documented
6In custody
382Released

Eras of repression in Illinois

Where Illinois’s entries fall across the census’s historical eras.

1920s 169 1930s 134 1960s 70 1910s 69 2020s 64 1970s 61

Documented cases

718 entries in the census — every one stays in the record, whether the case is open or closed.

Sylvester Keliher
Released
Sylvester Keliher was an American Railway Union director and Eugene V. Debs co-defendant in the federal contem...
Kathy Kelly
Released
Kathy Kelly is an American peace activist nominated three times for the Nobel Peace Prize and one of the most...
James Kilgore
Released
Grew up in California, graduated San Rafael High in 1965 and UC Santa Barbara in 1969, where he was the boyfri...
Elise Knaub
Elise Knaub is a Chicago science teacher and activist arrested during the October 3, 2025 protest outside the...
Charles Koen
Released
The Reverend Charles Koen was national chairman of the Black United Front of Cairo, Illinois, a hub of the lon...
Joseph Konopka
Released
Joseph D. Konopka was a Wisconsin computer systems administrator who used the alias Dr. Ch@os and led a loosel...
William F. Kruse
Released
William F. Kruse was appointed at age 21 by the SP National Executive Committee in July 1915 to direct the You...
Lee Lang
Released
Lee Lang was a Socialist from Rock Island, Illinois. Lee Lang began serving a two-year prison sentence on May...
John Lapshansky
Released
John Lapshansky was a Nokomis, Illinois miner active in the National Miners Union. Arrested in December 1929 d...
Claude Lightfoot
Released
Claude Lightfoot was a prominent Black Communist Party leader in Chicago arrested in 1954 under the Smith Act'...
Louis Lingg
Released
Louis Lingg was a 22-year-old German-born carpenter and the youngest of the Haymarket defendants. He had not b...
Glenn LeVelle Lowtharp
Glenn LeVelle Lowtharp was detained in the United States in the1998 New Order weapons prosecution. Contemporan...
José López
Released
Chicago Puerto Rican Cultural Center co-founder and director, MLN organizer, and brother of Oscar López Rivera...
Daniel Mahoney
Released
Daniel Mahoney was from Peoria, Illinois, and was imprisoned under wartime speech laws. The official 1921 Sena...
Eddie Maleski
Released
Eddie Maleski was not yet nineteen. Eddie Maleski was the youngest of the eight Zeigler, Illinois miners convi...
Charlie Mammen
Released
Charlie Mammen was a Taylorville miner arrested with his wife after being beaten in a police raid on his home...
Claude Marks
Released
Claude Daniel Marks appears primarily in two roles: first, as a long-sought fugitive associated by federal aut...
Andre Martin
Andre Martin was prosecuted over an anti-ICE protest at Broadview in September 2025. The case ended without co...
Marimar Martinez
Released
Marimar Martinez was shot five times by a U.S. Border Patrol agent and arrested during an immigration-enforcem...
Armando Diaz Matos
Released
Armando Diaz Matos was treasurer and later one of the directors of the Chicago junta. A federal grand jury ind...
Gregory M. Mazzara
Gregory M. Mazzara was arrested during the August 2024 Democratic National Convention protests in Chicago and...
Dennis Michael McGiffen
Dennis Michael McGiffen was detained in the United States in the1998 New Order weapons prosecution. Contempora...
Brian McQuaid
Brian McQuaid was arrested in Chicago during the August2024 Democratic National Convention protest period. Chi...
Steve Meanovich
Released
Steve Meanovich was one of the eight miners convicted by February 18, 1926 in the "Zeigler frame-up" — the pro...

Institutions in Illinois

Prisons, jails, and detention centers in Illinois that appear in the census’s case files.

Cook County JailChicago, Illinois
58 cases
Chicago police lockupChicago, Illinois
9 cases
MCC ChicagoChicago , Illinois
8 cases
Woodstock Jail (McHenry County)
7 cases
Southern Illinois Penitentiary, ChesterChester, Illinois
6 cases
FCI Pekin Satellite CampPekin, Illinois
5 cases
USP MarionMarion, Illinois
5 cases
FCI PekinPekin, Illinois
4 cases