Born in Houston, Texas on April 11, 1960, Mark was the son of Owen and Carolyn Sigler. Mark was a graduate of Crockett High School in Austin, Texas. He worked as an auto body technician at Southwest Body & Paint/Caliber Collision for over 50 years, where he was known for his dedication, skill, and strong work ethic.
On July 3, 1979, Mark married Terese Beck, and together they were blessed with two sons, Stephen and Scott.
Mark will be remembered for his sense of humor, generosity, genuine love and kindness, selflessness, and adventurous spirit.
He is survived by his wife, Terese; his sons, Stephen and his wife Erin, and Scott and his wife Jenn; his grandchildren, Isa and Jackson; his mother, Carolyn Taylor; his adopted dad, Gary Haldeman and his wife Carol, and a multitude of chosen family, friends, colleagues, and acquaintances.
He was preceded in death by his brother, Stacy Sigler, and his father, Owen Sigler.
Services will be held at Cook-Walden/Forest Oaks Funeral Home on March 17, 2026. Visitation will begin at 11:00 a.m., with funeral services to follow at 12:00 p.m.
In lieu of flowers, donations may be made in his name to St. Jude Children's Research Hospital.
