Garrett Harry Jamison

A Funeral Service for Garrett Harry Jamison, age 80, of Saint Jo will be held at 11:00 AM on Saturday, November 22, 2025 at Scott Funeral Home in Saint Jo. Burial to follow at Illinois Bend Cemetery. Visitation will be held from 10:00-11:00 AM on Saturday, November 22, 2025 at Scott Funeral Home in Saint Jo. Garrett passed away on November 2, 2025 to be with our Heavenly Father, his Uncle Ben and his Pop.
Garrett was born in Higgins, Texas on May 17, 1945 to Harry Sanders and Betty Jo (Parnell) Jamison. His family made many moves in Texas but he always called Higgins and Canadian his home. He graduated from Marble Falls ahigh School in 1963 and earned his CFA in 1974. He was in intelligence in the army and was a very proud veteran.
After the military, he began his banking career with the Austin National Bank, Austin, Texas. He started as a teller while in the Army Reserves. He headed up the Trust Department in 1981. In 1987, he was approached to head up the Trust Department at Rainier Bank in Seattle, Washington. His banking career spanned from Austin to the Pacific Northwest to Dallas to Ohio and back to Dallas. He retired from Bank One in 2000 as President of Bank One Trust Co. in 2002, he entered the field of childcare by purchasing Hamilton Academy, a child care and learning center in Farmers Branch, Texas.
He was a member of the Austin Rotary Club, Austin Jaycees, Masonic Lodge, and was the President of the American Heart Association in Austin.
He had many hobbies. He loved mountain climbing: Mount Rainier (while living in Seattle), wheeler Peak, Middle Fork Lake, and Lost Lake in New Mexico. He enjoyed biking, walking, hiking, movies, football and reading. He was an avid reader. He loved driving his 2024 Dodge Ram truck.
Garrett lived his dream of owning a ranch, which he purchased in Illinois Bend, Texas in 2008. He called it the JY Ranch named after the brand given to him by Pop when he was a little boy. He lived out his retirement years working the ranch, sitting on the porch viewing the beautiful land. He had so many blessings in his life. He joined the Montague county Cowboy Church where he and Dianne were married. He loved the Cowboy Church and its culture. He looked forward to going every Sunday. Our minister Joe's sermons, the band, and the gathering of the children brough him great joy. He was a generous man, a loving husband and father.
After moving to the ranch, when out, he always wore his cowboy boots, hat and vest. He traded BMWs and Porsches for Ram Trucks.
He is survived by his wife: Dianne (Buckman) Jamison of Saint Jo; daughter: Kelly and husband Keith Matheny of Plano; son: Garrett and wife Corine Jamison of Dripping Springs, Texas; grandchildren: Megan Matheny and Madison Matheny; sister: Linda and husband Jerry Grigsby of La Grange, Texas; and numerous extended family and friends.
He was preceded in death by his parents: Harry and Betty Jamison; sister: Jean Ann Lisenbee; grandparents: Garrett C. "Pop Sr. and Ophelia (McAfee) Parnell and Adam and Mae (Sanders) Jamison; uncles: G.C. Parnell who passed during WWII, Ben Parnell, and Sid Parnell; and aunt: Edora Fald.