John Michael Costello Obituary
The family of John Michael Costello of Yuma, Arizona announces his passing on August 31, 2026. John Michael, born on January 19, 1931, is remembered by family, friends, and others who shared time and connection. Leave a sympathy message to the family in the guestbook on this memorial page of John Michael Costello to show support.
Family, friends, and acquaintances remember John Michael for his warmth, thoughtfulness, and the moments shared together. While he will be deeply missed, the influence he had on the lives around him remains. Loved ones will reflect on the time spent together. John Michael’s memory will live on in the hearts of friends and family, a lasting reminder of the connections and experiences he brought to the world.
