Frank "David" O'Nei

Frank "David" O'Neil, 70, of Havre, Montana, passed away peacefully at home on August 3, 2026, per his wishes.

Born on September 13, 1955, in Havre, he was the son of Fred and Mae O'Neil of Rudyard. In 1974, David graduated from Inverness High School and later enlisted in-to the United States Army. David spent many years working as an agricultural me-chanic and was well regarded for his strong work ethic and expertise.

He is survived by his children, Justin O'Neil (Tracy) of Glendive and Heather (Jesse) Dibblee of Havre; his grandchildren, Colton Williams (Kinzie), Sidney, Haylie, Brylie, and Orin O'Neil, Makenzie Dibblee (Dylan), and Brenden Dib-blee; his great grandson, Christopher Michael Kimberling; his siblings, Leo (Pen-ny) O'Neil of Colorado, Ross (Rose) O'Neil of Rudyard, Tammie Gatzemeier (Ted) of Hingham, and Judy (Shawn) Campeau of Billings; and numerous nieces and nephews.

He was preceded in death by his wife, Angela (Gallagher) O'Neil; his children, Michael and Misty O'Neil; his parents; and his brother, Warren O'Neil.

In accordance with David's wishes, no funeral service will be held. Holland & Bonine Funeral Home has been entrusted with arrangements. Please visit David's online memorial page to send a card or leave a message of condolence for his family at http://www.hollandbonine.com.