Monessen lost many of its veterans in war, including those killed in action during World War II, the Vietnam War, and the Persian Gulf War. In World War II, the dead were Bartosik Frank, Beck Nick T, Boyer Harry E, Caville William C, Cekola Carl George, Cipriani Edward R, Columbus Patsy, Comko Matthew, Dawkins Hosey, Demko Michael, Denitti Paul, Desack Andrew Jr, Evanich Andrew Jr, Evanich George, Fiorillo Joseph M, Gramatikos Mike, Grata Paul, Hagerty William H, Harkema Elmer A, Hotovchin John M, Imburgia Angelo F, Irvine Thomas A, Jennings Jack E, Junk Orlo, Kafkalas Nick S, Kalie John, Kachursky Ernest, Katsuleres Louis G, Komlos John, Koszykowski Alex, Kronander Carl A, Kujawa Walter, Kvaka John Jr, Laszewski Anthony F, Leone Joseph P, Leavor Michael, Liscik Cyril M, Lukach Charles W, Malena Joseph, Malinchak Steve, Marcinkiewicz Wallace, Matola John, Mazzer James, McVay Wayne R, Mihalich Leonard A, Monick Stephen G Jr, Naccarato Ross J, Newman Paul Fass, Nicoden William, Oliphant William R, Parnella Christopher S, Platko Joseph, Quinlan Bernard, Ramsey Carl, Ravenchak Nick, Redish Michael, Renzetti Ernest C, Restaino August, Rizzuto Anthony R, Rosenson Bernard, Sacchini Pacifico, Saridakis Anthony, Scrip Joseph O, Sholtis George, Skruber Joseph, Smyth Hugh B, Stanish George T, Stephens Louis C, Stockus Arthur J, Stonage Charles, Swaney Jack W, Thiry Anthony, Trilli Victor, Varga John E, Wargo Albert, Wargo John, Woods James, Zapora John E, Zazac Stanley, Zajaczkowski Walter, and Zrenchak Andrew. In the Vietnam War, the dead were Lhota Robert A, Milika George A, and Onderko J Patrick. In the Persian Gulf War, the dead were Madison Anthony.