Simon Leis Jr. was an American prosecutor, judge, and sheriff who served Hamilton County, Ohio, for more than five decades in successive roles that made him one of the most influential and longest-serving figures in Cincinnati legal and political life, building a reputation for aggressive law enforcement that included the prosecution of Larry Flynt on obscenity charges, the exposure of a young Jerry Springer in a prostitution investigation, and twenty-five years as Hamilton County Sheriff in one of the longest such tenures in the county’s history. He died on 27 June 2026 in Cincinnati after a four-year battle with cancer at the age of 92.
He was born Simon Lawrence Leis Jr. on 12 June 1934 in Hamilton County, the son of a judge, a family background that gave him a formative familiarity with the legal system and an understanding of the public service dimensions of legal work that shaped his career choices. He attended St. Xavier High School and Xavier University before earning his law degree at Salmon P. Chase College of Law in Cincinnati, attending night classes while working during the day, a demanding combination that reflected the work ethic that would characterise his professional life. He served in the United States Marine Corps before beginning his legal career in private practice and then in public service.
He was elected Hamilton County Prosecutor in 1971 and won re-election three times, serving for twelve years in an office whose responsibilities included the prosecution of major crimes across a county that includes Cincinnati, one of the major Midwestern cities. His aggressive approach to prosecuting violent crime, organised crime, and public corruption defined his tenure and established his reputation as a prosecutor who pursued cases regardless of the prominence or resources of those involved. In 1974 his prosecution of a prostitution ring produced one of the more unexpected political moments in Cincinnati history when the investigation identified city councillor Jerry Springer, later famous as a television host, among its subjects, leading to Springer’s resignation. He subsequently pursued the case against Larry Flynt, the publisher of Hustler magazine, on obscenity charges in 1977, obtaining a conviction that made him a national figure in the debate about the limits of First Amendment protection for sexually explicit publications.
He served as a Common Pleas Court judge from 1983 to 1987 before winning election as Hamilton County Sheriff, a position he held for twenty-five years until his retirement in 2012. His quarter-century as sheriff consolidated his position as the dominant figure in Hamilton County law enforcement and gave him an extraordinary longevity in public office that outlasted the political careers of virtually everyone who had served in Cincinnati and Hamilton County government during the same period. His approach to the sheriff’s office maintained the aggressive law enforcement philosophy that had defined his prosecutorial career, and his public profile as a law-and-order figure in Hamilton County remained consistent across fifty years of public service. A funeral was held at St. Peter in Chains Cathedral in Cincinnati. He was 92 years old.