The Honorable Kathaleen Lanahan

The Hon. Kathaleen T. Lanahan is a Circuit Judge the Illinois Circuit Court of Cook County. She was elected to the bench on November 6, 2018, filling a vacancy created by the retirement of the Hon. Evelyn B. Clay. Judge Lanahan is currently assigned to the Domestic Violence Division.

Lanahan earned a B.A. in Political Science from the University of Chicago. She completed her J.D. at the University of Illinois at Chicago, John Marshall Law School, in 1992 and was admitted to the Illinois Bar in 1993.

After graduating from law school, Lanahan worked for a year as an analyst for the Cook County Board of Real Estate Tax Appeals. In 1994, she joined the Cook County State’s Attorney’s Office as an Assistant State’s Attorney. Prior to her election, she served as a first chair felony trial assistant and prosecuted homicide cases.

Born and raised in Chicago, she attended Mother McAuley High School. When not presiding over the bench, Judge Lanahan enjoys reading, listening to music, and traveling.

She is a registered Democrat.