John David Duncan Obituary
It is with great sadness that we announce the death of John David Duncan of Longmont, Colorado, who passed away on January 27, 2024, at the age of 82, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, John Y. Duncan and Alice Duncan of Boulder; his sister Jill Anderson; and his former wife Ruby Duncan. He is survived by: his children, John (De Ann), Stephen Duncan (Mariza) of Colorado and Lisa Grubb (Robert) of California; and his sister Nancy Belknap of Colorado.
