Jack Ora Hartnett

Jack Ora Hartnett, a cherished patriarch and devoted husband, passed away peacefully on October 17, 2026, leaving behind a legacy of love, hard work, and community spirit. Born on August 19, 1937. He grew up in Lance Creek Wyoming ending in Linch, Wyoming the last half of his senior year., in the welcoming town of Baker, Montana, Jack was the beloved son of John and Fern Hartnett. He was predeceeded in death by his parents and three siblings Beverly, Jerry and Jim whose memories he cherished throughout his life. Jack's early years were grounded in the values of family and perseverance, which were instilled in him by his parents. After graduating from Midwest High School in 1955, Jack embarked on a career that demonstrated his dedication and work ethic. He began his journey in the Wyoming oil fields, where he spent a decade with Stafford Well Service, followed by 24 years with Updike Brothers Well Service. Jack became a partner in Frontier Well Service, where he contributed for another decade until the company was acquired by Key Energy Services. Even after reaching the age of retirement, Jack continued to share his expertise as a consultant in well completions until the age of 80, when he finally stepped back to enjoy a well-earned retirement. He would have rather been working. Jack shared a beautiful life with his devoted wife, Helen Dianne Hartnett, whom he married on May 25, 1958. Together, they built a family moving to Casper in 1961. He was the proud father of four children: Keith, Tom, Suzanne, and Jacque. His legacy continues through his cherished grandchildren, Tyler, Chandler, Robert, and Madison—and his great-grandchildren, Kali, Athena, and Aspen. Jack took immense pride in his family, celebrating their achievements and guiding them with wisdom and love. A man of strong character and gentle kindness, Jack was respected not only for his professional accomplishments but also for his generous spirit and dedication to his community. He left an indelible mark on all who knew him, and his presence will be deeply missed. Jack Ora Hartnett's life was a testament to the power of love, family, and hard work. As we celebrate his life, we remember his smile, his stories, sense of humor and the warmth he brought into our lives. He will forever remain in our hearts. A memorial service to be done at a later date. In honor of Jack's memory, the family suggests that donations be made to a charity of your choice, First United Methodist Church, or others supporting causes that make a difference. To send condolences/special message for the family please visit Newcomers.com