Casey was the son of the late Albert Russell Dunn and Stella Elizabeth Pettit. Casey was a Veteran of the US Army. He was a jack of all trades. Casey enjoyed gardening, mowing yards, plowing snow in the winter and working with his truck and John Deere tractor. He was a huge Pittsburgh Steelers and Pirates fan. He worked for many years as a station engineer with Equitable Gas Company until his retirement in 1995. Surviving is his wife of 64 years: Helen Roupe Dunn whom he married on July 8, 1961. Also surviving are 1 Son: Albert "Abbie" Dunn, Jr. of Charleston, WV and 1 Granddaughter: Morgan Dunn of Huntingdon, WV. Friends will be received from 10:00 AM to 11:00 AM on Monday, December 22, 2025 in the Behm Funeral Home, 182 W. High St., Waynesburg, PA 15370 Faith B. Lefort, Director. Interment will be at Rosemont Cemetery, Rogersville, PA with Pastor Bradley Edgar officiating. Condolences can be shared online at www.behmfh.com