John Duncan

Jack Duncan passed on January 27th, 2024, at his home in Longmont, Colorado. Jack was born to John Y. and Alice Duncan on July 21, 1941. He attended Boulder High and graduated in 1959. Jack joined the Air Force and then later went to work for Public Service Co. of Colorado. Jack was an exceptional Bench Rest Shooter and competed at the National level for many years. He could be found in his garage preparing for the next shoot or ready to visit with his neighbors. He also loved spending time with his children, grandchildren, great grandchildren, and longtime friend Jeannie Klingman. Survivors include his sons John (De Ann) and Stephen (Mariza) Duncan of Colorado, daughter Lisa (Robert) Grubb of California and a sister Nancy Belknap of Colorado. Grandchildren: John "Tye" (Jessica) Duncan and great grandchildren Esmae and Taycie. Garett Duncan and Jaymie Duncan. Jared Grubb (great grandchildren Camelia and Garlen), Jacob Grubb and Jessica Grubb. He is proceeded in death by his parents John Y. and Alice Duncan of Boulder, a sister Jill Anderson, and Ex Wife Ruby Duncan. A small family gathering will be held for Jack at a later time.