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Ryan Slack

Ryan Slack

Nov 7, 1977 - Nov 3, 2019
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Ryan Slack, 41, of Cheyenne, WY passed away on Sunday, November 3, 2019. A Memorial Service will be held in Casper, WY at Newcomer’s Family Funeral Home (710 East 2nd Street) on Friday, November 15, 2019, at 2:00 pm. A reception will follow at the Casper Elks Lodge.

Ryan Slack was born on November 7, 1977 in Casper, WY to Mark Wayne and Becky Sue (Poste) Slack. Ryan grew up in Casper until 1990 when the family moved to Riverton. He graduated from Riverton High School with the class of 1996.

He was baptized into the Catholic faith.

After graduation he entered the U.S. Navy and did training in Groton, Connecticut. After his training he was stationed in Hawaii and served as a Sonar Technician on submarines around the world. He was honorably discharged.

Ryan had lived in Cheyenne, WY for the last few months working for The Brock Group, a construction company, as an assemblyman. Before that he worked mainly in the oilfields on work over rigs in the Gillette, WY area.

Ryan was a fantastic artist doing amazing murals, landscape drawings and painting. He was establishing his art portfolio at the time of his passing.

He is survived by his father, Mark W. Slack and wife Sheree of Riverton; grandmother, Candace Poste of Casper; brother, Doug Slack of Riverton; sister, Ashlee Slack of Riverton; niece, Katelyn Slack; nephews, Cole Withrow and Alex Daniels all of Riverton; aunts and uncles, Ross (Lisa) Poste of Colorado, John Poste of Casper, Weston (Shannon) Poste of Casper, Ron (Pam) Slack of Casper, Kim Green Slack of Boise, ID, David (Pam) Slack of Boise, ID, and June Holcomb of Portland, Oregon; and numerous cousins and friends.

He was preceded in death by his mother, Becky Slack on July 15, 2017; and grandparents, Don Poste, Romayne S. Head, and Dennis V. Slack.

On-line condolences may be made to the family at