John Joseph Szilvasi, 74, of Dormont died Saturday, December 9, 2017. He was the cherished husband and best friend of Jacquelyn (Banyas) for over 50 years. He was the son of the late John James Szilvasi and Anna Ignacz. He was preceded in death by a sister Barbara Seiler and brother Joseph Szilvasi. He was the dear brother in law of Maryellen Kostilnik, Patricia Palmer, Geraldine Holley and Joyce Fuchs. He was the proud uncle of 14 nieces and nephews, 22 great nieces and nephews and 4 great nieces and nephews. John was very proud to have served in the United States Marine Corps during the Vietnam War. He was retired from Duquesne Light after 41 years of service. Memorial Liturgy 10:00am Saturday, December 16, 2017, in St. John Chrysostom Byzantine Catholic Church, 506 Saline St, Pgh, PA 15207. In lieu of flowers donations suggested to Family Hospice and Palliative Care, 50 Moffett St, Pgh, PA, 15243 or to the Wounded Warriors Project PO Box 758517, Topeka, Kansas 66675-8517 .