Age 88, of Bethel Park, passed away on Saturday, September 1, 2018. Ken was born to James Leo and Anna Laura McDonnell on October 23, 1929 in South Side. He was the beloved husband of Evelyn (Smoker) McDonnell; loving father of Kevin McDonnell, Roy (Kathy) McDonnell, Karen Kush, Deborah Bell, Sharon Poslik, Marcia Carson, and Shawna McDonnell; loving Pap of Paul, Thomas, Desirae, Laurie, Nicholas, Craig, Andrew, Robert, Abigail, and Allison; cherished Pap Pap of Sara, Meghan, Jaynae, Collin, Nathan, Aviana, Rylie, and Landon; beloved brother of Leo, Jack, and Roy McDonnell; also survived by many nieces and nephews. Ken worked as a stock boy during his teens at a drugstore in Mount Oliver, which led him into his career as a pharmacist. He attended The School of Pharmacy at Duquesne University. He then served four years in the Navy during the 1950s. He owned his own drugstores and worked seven days a week for many years. He enjoyed his family and friends. Ken was an avid fan of the Pirates, Steelers, and Penguins. He was also fond of reading the daily paper to keep up with current events. He was a loving husband, father, and grandfather. Family and friends welcome Thursday 2-4 and 6-8 p.m. FREYVOGEL-SLATER FUNERAL DIRECTORS (412-835-1860), 112 Fort Couch Rd., Bethel Park (opposite Macy's, South Hills Village). Funeral Mass in St. Thomas More Church, Friday 10 a.m. Burial to follow in Queen of Heaven Cemetery.