Robert William Piercy, Sr. Age 86, of Joliet, passed away peacefully, Monday, February 13, 2017 at the Joliet Area Community Hospice Home, with his loving family by his side. Born November 4, 1930 in Chicago, he was a graduate of Illinois Institute of Technology with a degree in chemical engineering. He began working for Blockson, which later became Olin Corporation. During his career with the company, he served as a Project Manager in Johannesburg, South Africa, was Head of Engineering for the Southwest Region in Lake Charles, LA, and retired as Governmental Affairs Liason. Robert was a man committed to his family and his church. His devotion to his faith was exemplary. Bob also enjoyed playing french horn with the Joliet American Legion Band for many years. Surviving are his beloved wife of 65 years, Rosemarie (Novak) Piercy; his children, Debbie (George) Shimek, Judy Piercy (Peter Jarjisian), Mary Ann Piercy, Tom (Sue) Piercy and Patty (Dan) Cushing; seven grandchildren, Jeff (Kalissa) Shimek, Terra (Tim) Fondriest, Megan (Mike) Kovach, and Collin, Erin, Emily, and Tommy Piercy; and three great-grandchildren, Amelia and Henry Fondriest and Raegan Shimek He was preceded in death by his son, Robert William Piercy, Jr.; a granddaughter, Kathleen Piercy; and his parents. A Mass of Christian Burial for Robert W. Piercy, Sr. will be celebrated Thursday, February 16, 2017 at 11:30 a.m. at St. Mary Immaculate Catholic Church, 15629 S. Route 59, Plainfield, where visitation will be held 10:30 a.m. until the time of Mass. Interment will be in St. Mary Nativity Cemetery. Fred C. Dames Funeral Home is in charge of arrangements. For more information, please call (815) 741-5500 or visit his Memorial Tribute at www.fredcdames.com.