Glenna Carol (Riffel) Britton, 78, passed away on Thursday, December 17, 2020 in Tulsa, OK. Glenna was born on November 12, 1942 to parents Herb and Frieda Riffel of Lincolnville, KS. Beloved wife, mother, and sister. She was a long time employee at Edmond Memorial Hospital, and later Scottsdale Healthcare where she later retired. Preceded in death by her parents, sister Romayne McGuigan (Jerry McGuigan) and brother-in-law B. Quinten Price. She is survived by her husband Ron Britton, an attorney in Oklahoma City, OK; her children Chris Britton (Sarah Wootton-Britton) of Simi Valley, CA; Daniel Britton (Mary Tuttle) of Dallas, TX; and her sisters Marilyn Price of Phoenix, AZ and Barbara Schubert (Frank Schubert) of Phoenix, AZ. A memorial service will be held at a later date at Desert Foothills Lutheran Church in Scottsdale, AZ. There is an online obituary with a guestbook available at www.Tulsacremation.com . In lieu of flowers or gifts, donations are asked to be sent to the Parkinson Foundation of Oklahoma, www.parkinsonoklahoma.com/donate , or 3701 N. MLK Blvd., Cottage #7, Tulsa, OK 74136.