David John Demchak Harmony Township David John Demchak, 69, of Harmony Twp., died Tuesday, July 14, 2020, at home. Born July 23, 1950, in Sewickley, he was the son of the late John and Dolores Hootman Demchak. He was a riverboat Merchant Marine and was retired from Air Ground Express, Clinton. He was a member of the CFU Lodge; the Ambridge Class of 1968, and was Christian by faith. Surviving are his sister and brother-in-law, Carol and Joe Flanigan, Baden; two nephews, Sean and Gina Flanigan, Monaca and Michael and Jessica Flanigan, Economy and four great-nieces, Caitlin, Chloe, Aubrey and Ava. There will be no viewing. BOHN-MATICH FUNERAL & CREMATION SERVICES, INC., 1099 Maplewood Ave., Ambridge is in charge of arrangements.
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