(From Mason-Woodard Mortuary)Calvin O. Robertson, 81, of Joplin, Missouri, passed away on Monday, July 20, 2026, surrounded by his loving family after a long illness.
Calvin was born on November 25, 1944, in Carthage, Missouri, to Leonard and Janetta (Dougan) Robertson. A lifelong resident of the area, he dedicated 44 years to Tri-State Motor Transit, where he retired as Vice President of Operations.
Calvin was known for his quiet strength, generous spirit, and deep devotion to his family. In his spare time, he enjoyed fishing, boating, camping, and had a lifelong passion for classic cars. His prized 1969 Chevelle Malibu was his favorite. During his career, Calvin helped establish a Student of the Month partnership between Tri-State Motor Transit and Duenweg Elementary School. He enjoyed spending time with the students. Above all, Calvin cherished every opportunity to spend time with his family and those he loved most.
On April 21, 1967, Calvin married the love of his life, Judy Moss. Together they shared nearly six decades of marriage. She survives.
Additional survivors include two sons, Dustin Robertson of Springfield, Missouri, and Matt Robertson and wife, Karen, of Carl Junction, Missouri; and four beloved grandchildren: Callyn, Ethan, Bennett, and Laney.
Calvin was preceded in death by his parents; his son, Scott; his brother, Keith; and his sister, Loetta.
Funeral services will be held at 2:00 p.m. on Tuesday, July 28, 2026, at Mason-Woodard Chapel. Burial will follow at Ozark Memorial Park Cemetery in Joplin.
In lieu of flowers, the family requests that memorial contributions be made to the Danny Thomas Foundation.






