John M. “Jack” Hronec Sr., 80, of Brookfield, died on March 9, 2026 at LaGrange Hospital. Born on Feb. 18, 1946 in Chicago, he worked as an operating engineer at Western Electric and later at the Dirksen Federal Building before retiring. He was an avid sport pilot.
Jack was the father of Suzette Ferrill and the late John M. Hronec Jr.; the grandfather of Tyla Rose Ferrill; the son of the late Elmer and Rosemarie (nee Agnello) Hronec, the brother of Terry (Deann) Hronec, and Yvonne (Dan) Agnello-Adams; the uncle of Timothy Hronec and Terry Hronec; godfather of Natalie Hronec; friend of Uncle Joe Discipio and his feathered grandson, Sunny the Cockatiel.
Visitation will be held on Friday, March 20 from 3 to 8 p.m. at Johnson-Nosek Funeral Home, 3847 Prairie Ave., Brookfield. Funeral Mass will be celebrated 11:30 a.m. on Saturday, March 21, at St. Francis Xavier Church, LaGrange. Interment Queen of Heaven Cemetery.
Online condolences, photos and memories may be shared with the family at www.johnsonnosek.com.