Daniel Michael O'Malley, a beloved husband, father, and grandfather passed away peacefully in his sleep March 4th, 2025 in Chicago, Illinois at 76 years of age from a brief battle with advanced cancer. Dan is survived by his three sons Kevin, Sean and Conner O'Malley and his three grandchildren Mae, Cody and Evalene O'Malley. Born in Chicago June 19, 1948, to Irish immigrants Mike and Margaret O'Malley. He spent his childhood side by side with brothers the youngest of - Michael, Patrick and Thomas. A lifelong member of the International Union of Elevator Constructors Local 2. He proudly worked as an elevator mechanic and later an inspector for the City of Chicago. Dan fell in love and in 1976 married his wife of forty-two years Trish, who passed away in 2018. They settled in North Center where they lovingly raised their three boys. He was known as a captivating, quick witted and hilarious storyteller. Dan touched many lives with his generosity, making himself of service in Alcoholics Anonymous helping newcomers through the program at The 12 Step House Chicago on Damen Ave. He will be missed by all who knew him. Visitation at Cooney Funeral Home, 625 Busse Hwy, Park Ridge, IL. Sunday March 9, 1-8 pm. Funeral, Monday family and friends are asked to meet at Queen of Angels Church for 10:30 am mass. Interment All Saints Cemetery. In lieu of flowers donations https://purpleheartfoundation.org and http://anticruelty.org/ For more information contact (847) 685-1002