Dennis J. Hawrylko, 80 of Marlborough, CT beloved husband of the late Virginia McCullough, passed away peacefully at his home on June 9, 2017. He was born in Queens, NY on February 19, 1937, son to the late Joseph and Eugenia Hawrylko. He was a graduate of Rutgers University and received his Masters from Western New England University. He served as a second lieutenant for the Army in Korea. Dennis worked as an engineer at Pratt & Whitney for over 30 years. He was also a member of the Governor's Foot Guard. Dennis will be fondly remembered for his love of family, trains, and sailing, as well as his love for the town of Marlborough. Dennis spent much time working within the government and committees for the town of Marlborough. One of his proudest accomplishments was helping to organize the town's bicentennial celebration. Dennis is survived by his daughter Mary Olson and her husband Chris and their three children Emma, Katelyn, and Lillie; his son Matthew Hawrylko and his wife Christy and their three children Jake, Alicia, and Jesse. He also leaves a step-daughter Kim Maynard and her husband Joe and their two children Scott and Meg; a step-son Tom McCullough; a daughter-in-law Nora Dlugos, wife of his late step-son David and their three children Rory, Caroline, and Ellen; a brother Gary and his wife Doris; a brother Warren and his wife Lorraine. Per his wishes, we will be celebrating Dennis’s life with a private ceremony. In lieu of flowers, memorial donations can be made in Dennis' name to The Marlborough Arts Center, 231 North Main Street Marlborough, CT 06447. For online condolences, please visit www.mulryanfh.com.