Mark Allen Allman, 69, of Arnold, passed away Friday, January 9, 2026, in his home. He was born February 17, 1956, in Pittsburgh, to the late John Harry and Norma Alice Richardson Allman. Mark was a 1974 graduate of Kiski Prep School. Afterward, he attended Carnegie Mellon University and joined the Kappa Sigma Fraternity, through which he formed many long-time friendships. Mark was a VP of Consumer Lending in the automotive field for Northside Bank and other banks in the Pittsburgh area for many years. He will be remembered for his generous heart, quick wit and the ability to get anyone to laugh. In addition to his parents, he was preceded in death by his brother, John H. Allman Jr. Mark is survived by his former wife and friend, Peggy Allman; son, Danny Allman; daughter, Katelyn (Justin) Marsh; granddaughter, Scarlett Marsh; brother, David (Janice) Allman; and numerous nieces and nephews. The family would like to thank the staff at Community Life-Logans Ferry, for their compassionate care of Mark. All services were private, including entombment in Greenwood Memorial Park, Lower Burrell. Arrangements were entrusted to the Joseph J. Cardaro Funeral Home, New Kensington, 724-337-3325. To leave an online condolence for the family, please visit www.cardarofuneralhome.com