Mark Allen Flack, age 56 of Mansfield, PA, passed away Wednesday, April 29, 2026, at UPMC Williamsport Hospital. Mark was born March 28, 1970 in Doylestown, PA, a son of Clyde and Sandra (Litke) Flack.
He was the husband of Denise Flack and worked as a heavy equipment operator. Mark enjoyed woodworking, snowmobiling, his dogs, and spending time with his grandchildren.
Mark is survived by his wife, Denise; sons, Damian (Tiffany) Levindoski of Gillet, PA, and Zachary (Rachel) Zimmers of Lititz, PA; daughter, Alexis (Dylan) Ostrander of Clarks Summit, PA, grandchildren, Trenton, Madison, Logan, Tayla, Hayden, Marley, Noah, McKenna, and Izaiah; brother, Dave (Sally) Flack of Mansfield, PA; sisters, Susan (Darwin) Brace of Knoxville, PA, and Cindy (Joe) Cevette of Athens, PA; father-in-law Mervin Harbold of Morris Run, PA; and sisters-in-law Amy (Robert) Bowens of Blossburg, PA, Dawn (Brian) Kriner of Wellsboro, PA, Alice (Jonathan) Gilbert of Millerton, PA, and Carol (Con) Hammaker of Dillsburg, PA. He was preceded in death by his parents, and mother-in-law Karen Harbold.
Family and friends are invited to call on Sunday, May 3, 2026, from 11:00 AM to 1:00 PM at Buckheit Funeral Chapel and Crematory, Inc., 637 South Main Street, Mansfield, PA. A funeral service will immediately follow, with his sister-in-law, Carol Hammaker, officiating. Burial will take place in the Roseville Cemetery. www.buckheitfcandcrematory.com.
