James Edward Onisko Obituary
The world bids farewell to James Edward Onisko (Wheat Ridge, Colorado), born in Ridgecrest, California, departing on May 31, 2025 at the age of 74. James Edward leaves behind memories cherished by the community. You can send your sympathy in the guestbook provided and share it with the family.
Though his name may fade from the lips of time, the imprint James Edward leaves upon the hearts of his loved ones remains eternally vivid — a testament to the depth of his spirit and the richness of his legacy.
He is survived by: his daughter Michelle Grantham; his son-in-law James Grantham; his grandchildren, Austin, Abby, Emily and Cole Grantham; and his daughter Katie Onisko.
A dedicated drilling engineer, Jim worked for some of the world's largest operators, including Exxon and Marathon, making significant contributions to the industry.
