John Ludwig Dernovsek, 93, of Madison, Alabama, formerly of South Fayette Township, Pennsylvania, passed away peacefully on Sunday, December 19, 2021. John was born in Sygan, Pennsylvania on May 14, 1928. John is preceded in death by his wife, Rita (Barish) Dernovsek; his parents, Henrietta (Bogats) Dernovsek and William L. Dernovsek, Sr. and his brother, William L. Dernovsek, Jr. He is survived by his son, John “Jay” Dernovsek, wife, Kim of Madison, Alabama and only grandchild, Laura A. Dernovsek of Huntsville, Alabama and his siblings Esther Biearman, Albin Dernovsek and Arthur Dernovsek. He also leaves behind extended family and friends in Alabama and Pennsylvania. A funeral mass and burial will take place in Bridgeville, Pennsylvania at a later date.