He was born in Powell to Alva and Leah (Johnson) Heimer on May 18, 1922.
He married Bonnie Brown on Aug. 22, 1942. He served in the U.S. Army in World War II and fought in France and Belgium.
Willard and Bonnie moved from Powell to Mesa, Arizona, where he worked for Farnsworth Construction for many years.
He is survived by his son Jim (Lois); daughter-in-law Linda; sister-in-law Ethel Heimer of Powell; two grandsons, James Jr. and Keith; four great-grandsons, Kyler, Michael, Josh and Brandon; one great-granddaughter, Kacey; and numerous nephews and nieces.
He was preceded in death by his wife, Bonnie; son Mike; and his granddaughter Michele. He was also preceded in death by his parents and seven siblings: sisters Ada, Alma, Winnie, Mae and Elenora, and brothers Dan and Lloyd.
He was a member of the Eagles and the Good Sam RV Club.