He grew up on a farm in Delta, graduating from Delta High. He was a member of the LDS church, serving a mission to Buffalo, N.Y.
He was a meat cutter for more than 30 years and worked at Turned About Ranch. He married Nancy Peck, later divorced, and together they had Christine, Ronald (Amber), Troy (Kris), Melissa Jo (Mike Pfannerstill). He later married Lana Jean Hymas and together they had Melissa (Nate Bartschi), Brett (Brooke), and Jason (Amber).
Rex was preceded in death by his parents; his wife, Lana; his daughter Christine; infant grandson; and his brother Jay. He is survived by his sister, Shirley; six of his kids; 10 grandkids; and one great-grandson; and many nieces and nephews.
Funeral services were Monday, March 14, 2016 in Escalante, Utah in the LDS Church, 80 S. Center St. The funeral was at 11 a.m. with a viewing at 10 a.m., with burial following at Escalante Cemetery.