After World War II, Irvis moved to Pittsburgh, Pennsylvania. There he worked as the public relations secretary for the local chapter of the Urban League. While with the Urban League, he led a demonstration in 1947 against Jim Crow employment discrimination by Pittsburgh's department stores. This was the first demonstration of its kind in American history. Irvis became an entrepreneur for a time, managing a toy factory and a hot dog stand. In 1950, he left his businesses and pursued blue-collar work in steel mills and road construction, to earn money in order to go to law school. In 1954 he earned a law degree from University of Pittsburgh School of Law. He worked as law clerk to Judge Anne X. Alpern, was hired as Pittsburgh city solicitor, and advanced to become the first black assistant district attorney of Allegheny County, Pennsylvania. He supplemented his income as a radio announcer for WILY. When his reputation had grown, he opened a private law practice downtown. Irvis entered politics and was elected as the state representative from Pittsburgh's Hill District, serving in the legislature for 15 straight terms. Rep. Irvis sponsored more than 1600 bills, and is most known for bills promoting civil rights, fair housing, education, public health, highway safety, and modernization of the penal code. In 1977 he was voted unanimously by the representatives for the role of speaker of the house. His most noted achievements include the passage of legislation creating the Pennsylvania Human Relations Commission, the Pennsylvania Higher Education Assistance Agency and Equal Opportunity Program, the state's community college system, the Minority Business Development Authority, and the Pennsylvania Council on the Arts. He is also largely responsible for the Pennsylvania House Ethics Committee, lobbyist registration, and the Legislative Audit Advisory Commission.
Honors
Among the organizations to have formally honored Irvis are the NAACP, University of Pennsylvania, Lincoln University of Pennsylvania, and Dominion ResourcesThe University of Pittsburgh has a K. Leroy Irvis Reading Room in Hillman Library. In 2003, the South Office Building within the Pennsylvania Capitol Complex was renamed the Speaker K. Leroy Irvis Office Building. On March 25, 2013, the Community College of Allegheny County hosted a ceremony for the newly completed K. Leroy Irvis Science Center, named in honor of his work in helping to establish the community college system in Pennsylvania and for his long career of service on behalf of Allegheny County. In 2017, the University of Pittsburgh renamed Pennsylvania Hall, a student residence hall on its upper campus, to the K. Leroy Irvis Hall in his honor. Pennsylvania Democratic Party Chairman T. J. Rooney described Rep. Irvis as, "one of greatest legislative giants that the Commonwealth of Pennsylvania has ever seen... one of the most admired and respected Pennsylvanians we'll ever know."
Later life
Irvis married Katharyne Jones, and they had a son Reginald and daughter Sherri together. Katharyne died in 1958. In 1973 Irvis married Cathryn L. Edwards, who survived him, as do his grown children. In 1988, the same year that he retired from politics, Irvis published collected poems under the title This Land of Fire, issued by Temple University. He also worked in making wood sculptures, and displayed them is wood sculptures have been displayed in exhibits throughout the country. He died at age 86 of cancer.
The K. Leroy Irvis papers
The University of Pittsburgh Library System, Archives Service Center maintains a large collection of wide variety of material related to Irvis's life, career, and political activities. The collection consists of correspondence, legislative material, interviews, photographs, publications, and campaign literature. Highlights of the collection include: