William Harris Thompson, 89, passed away February 16, 2021. He was born on March 5, 1931 in Teague, Texas, to Avery Claude Thompson and Mary Etta (Harris) Thompson. William was a chemist, and mostly engineer, in the petroleum industry for most of his life. His greatest joy was family though. He married Jacqueline Perry, a talented musician and artist, on December 22, 1949 in Houston, Texas, and she and William would have a marriage lasting 66 years. Together, they would have three children and enjoy being grandparents, and great-grandparents. William was preceded in death by his parents; and loving wife, Jacqueline (Perry) Thompson. He is survived by sons, Brian Thompson, and Todd (Jackie) Thompson; daughter Julie (Richard) Burel; nephew, Rory Hill of Houston, Texas; grandchildren, Courteney Hartman, Kyle Thompson, and Ashton (Todd) Watson; and great-granddaughter Ava Belle Cooper. A private family service will be held. In lieu of flowers, the family encourages you to donate to the Lewy Body Dementia Association online at https://www.lbda.org/donate/ or by mail at Lewy Body Dementia Association, Inc., 912 Killian Hill Road S.W., Lilburn, GA 30047.