Gary Wayne Coulter

August 11, 1951 ~ October 28, 2021 (age 70)


Gary Wayne Coulter passed away on Thursday October 28, 2021. He was born on August 11, 1951 in Denton, TX to Evalyn Janice Batey Coulter and James Duward Coulter, Sr.

Gary attended Denton High School, and graduated from the University of North Texas with a degree in mathematics in 1975. Gary married Marsha McClean in 1988 and they made their home in Ft. Worth, TX. Gary was a computer programmer in several settings including Tandy Corp, but spent most of his career at Tarrant County College District, Northeast campus, where he managed the learning lab in mathematics. Gary had a passion for learning and mastering new skills. Early on, he worked on motorcycles, collected comic books and early science fiction and enjoyed pool, chess and of course movies. He would later pursue small boat sailing, stunt kites, wood-working and had the patience for everything from changing a transmission to creating intricate origami. He enjoyed tennis, cycling and participated in several marathons. After retiring from TCC, he was able to pursue his interests in new areas of math, computing, and physics and participate in a group developing block chain theory and crypto currency options. Gary was a member of the RChain cooperative at RChain and the Digital Life Collective. He was a lifelong learner who continued to share his knowledge and interests even as he fought a very serious cancer.

Gary was preceded in death by his father James Coulter, Senior. Gary is survived by his mother, Evalyn Batey Coulter; wife Marsha McClean; brother Jimmy Coulter; sisters Charlotte Ragle and Cheryl Degan and many aunts, uncles, nieces, and nephews, and  McClean family in-laws.

A graveside service will be held at Roselawn Cemetery, 3801 Roselawn Dr., Denton, TX on Monday, November 8 at 10:30 AM. 

A Celebration of Life service in Ft. Worth is planned at the worship space of St. Lukes in the Meadow Episcopal Church on Saturday, December 4th at 3:00 PM. This is located on the Texas Wesleyan Campus at 3021 E Rosedale St. (the Baker Bldg.). All are welcome and any additional information or changes will be added to the obituary under his name at

Those who wish to remember Gary in a special way may make gifts in his memory to:

 1. The James Bolen Math Scholarship at TCC Northeast Campus “www.” and select “give now” including Gary’s name/or the Bolen Math competition.

 2. The friends of - a protected prairie near his home in Ft. Worth.

 3. To a non-profit of your choice that might reflect his interests in animal protection or equality and diversity in math and science/physics.

To send flowers to the family or plant a tree in memory of Gary, please visit our floral store.


Graveside Service
November 8, 2021

10:30 AM
Roselawn Cemetery, Roselawn Dr, TX
3801 Roselawn Dr.
Denton, TX 76207

Celebration of Life
December 4, 2021

3:00 PM
St Luke's In The Meadow Episcopal Church - Baker Building
3021 E Rosedale St.
Fort Worth, TX 76105
Guaranteed delivery before the Celebration of Life begins

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