Mark A. Demko Obituary
The memory of Mark A. Demko (Pittsburgh, Pennsylvania), who passed away on March 11, 2026 at the age of 59, will forever remain in the hearts of those touched by this precious presence in their lives. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his father George Demko. He is survived by: his children, Morgan Demko (Alex Kay) and Mason Demko (Hollie); his grandchildren, Colbie, Drew and Dane; his mother Dana Demko; his brothers, Gregory Demko (Christina Peterman) and Stacey Kadlecik (Rodney); his niece Gabrielle Kadlecik; and his great-nephew Leo Kadlecik. He is also survived by many loving aunts, uncles, and cousins.
In lieu of flowers, memorial contributions may be made to St. Jude Children's Research Hospital.
