John Denno Obituary
With heavy hearts, we announce the death of John Denno (Warren, Ohio), who passed away on February 19, 2026 at the age of 75. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his son John Denno II; his parents, Gerald Denno and Fannie Denno; and his in-laws, James and Gladys Donaldson.
He is survived by: his wife Cindy; his sons, Michael, Brian and Christopher (Katie); his grandchildren, Kyle, Maia, Colin, Christina, Zachery, Leah and Blake; and his siblings, Larry (Jan), Jerry (Jeanie), Carmela, Carmen (Ramee), Jeanie (Joe), Joseph (Richard) and Debbie (Dave). He is also survived by many extended family members, fellow Marines, fellow Officers, friends, and loved ones.
In lieu of flowers, the family may request donations to Tunnel to Towers Foundation to honor John's memory and help other veterans.
