Roy Justin Shryack, 67, passed away on October 16, 2018 at Boysen State Park Head Quarters at his home in Wyoming of a sudden heart attack. He was born on October 27, 1951 in Worland, Wyoming. Roy worked in the oil field for many years and he also was a truck driver. He enjoyed fishing, panning for gold and conversing with family and friends. He is survived by his sisters, JoAnn (Joe) Jaure of Casper, Wyoming; Carol (Jerry) Michel of Billings, Montana; brother, Corky Shryack of Worland, Wyoming; nieces, Kalli Arriola of Las Vegas, New Mexico; Dyann Romeijn and family of Billings, Montana; nephews, Zeb (Shannon) Carrick of Casper, Wyoming; Jake (Amber) Carrick of Bath, Pennsylvania; Mark Michel and family of Billings, Montana great nieces, Eva, Vida, Penelope all of Las Vegas, New Mexico and Payton of Casper, Wyoming. Roy is preceded in death by his parents, Walter Shryack of Thermopolis, Wyoming and Altha Shryack of Casper, Wyoming. A memorial service will be held at a later date.