Harrison O'Neill Tiernan Obituary
With sadness, we share the passing of Harrison O'Neill Tiernan of Los Angeles, California. Harrison, born on December 6, 2002 in Bountiful, Utah, passed away on June 20, 2026. Family and friends can send flowers and condolences in memory of the loved one. Leave a sympathy message to the family on the memorial page of Harrison O'Neill Tiernan to pay them a last tribute.
Family, friends, and acquaintances remember Harrison 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. Harrison’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.
He was predeceased by: his grandfather Terry Tiernan. He is survived by: his parents, Shane Tiernan and Erika Tiernan (Revell); his sister Emma Christensen (Kyle); his nephew Callum O'Neill Christensen; his brother Will Thomas Tiernan; and his grandparents, Gregg, Marsha Revell of Bountiful and Pattie Tiernan of California. He is also survived by many aunts, uncles, cousins.
