Mark, Shannon, and Nathan Andregg passed away together on April 23, 2021.
Mark was born in Hays, Kansas on September 7, 1965 to Fred and Velma Andregg. Shannon was born in Santa Barbara, California on February 3, 1965 to Donald (Jim), Jr. and Geraldine (Jeri) McMahon. Their son Nathan was born in Tulsa, Oklahoma on June 20, 2000 to Mark and Shannon.
Mark was a loving son, brother, husband, and father, as well as an accomplished Orthodontist in Tulsa. He enjoyed hunting, flying, woodworking and being active with his beer brewing club. Mark earned his undergraduate degree from the University of Oklahoma and his dental degree from the University of Missouri-Kansas City. He received his Orthodontic degree from Northwestern University in Chicago.
Shannon was a loving wife, mother, and sister. She thoroughly enjoyed laughing with her family and friends, crafting, creating stacks with her decorative bracelets, being involved with her college sorority, and going to Oklahoma State football games with her mom, dad, and brothers. Shannon was a member of Zeta Tau Alpha and a graduate of Oklahoma State University.
Nathan was a happy and loving young man. He was involved with the Tulsa Autism Society and a graduate of Mounds High School. Nathan loved to swim, jump on his trampoline, and take leisurely walks with his mom.
Mark, Shannon, and Nathan are survived by Mark's mother Velma Andregg, his brother Steve Andregg and his wife Gina, Shannon's brothers Sean and Don McMahon and their wives Valerie and Kelly. They also have three nephews and a niece.
Memorial services will be held at St. Bernard's Catholic Church in Tulsa, Oklahoma on May 6, 2021 at 11:00 am.
In lieu of flowers, please donate to the Els for Autism Foundation ( www.elsforautism.org ).