Colleen "Coke" O'Halloran Fillmore, 85, of Twin Falls, Idaho, passed away on February 29, 2024. She was born on September 9, 1938, in Twin Falls, Idaho to Harry and Ann O'Halloran. Colleen was preceded in death by her parents, her husband Harlan Fillmore, her sister Barb Seivers, and her brother Tom O'Halloran. Colleen, known to her loved ones as "Coke," was a bright and imaginative soul who had a knack for bringing joy to those around her. She was described as happy-go-lucky, humorous, and a little crazy at times. Colleen had a passion for dancing, writing poetry, and enjoying a good glass of red wine or gin and tonic. She was a kind-hearted individual, always honest to a fault, and cherished her friends and family dearly. In her free time, Colleen enjoyed golfing, reading, working on puzzles, sewing, and crafting with her family. She had a love for fashion, shopping, and finding great bargains. Her witty humor and fun-loving spirit will be deeply missed by all who knew her. Colleen is survived by her three sisters: Pat (Dick) Sterling, Annette (Carl) Skabronski, and Sheila Axtman; her three daughters: Shawna (John) Heck, Erin (Brent) Perkins, and Meghan (Devin) Cecil; her grandchildren: Katja (Parker) Morris, Sofia Peller, and Murphee Cecil. Colleen will be remembered for her kindness, creativity, and unwavering love for her family and friends. May she rest in peace. Colleen's life will be celebrated at St. Edward's Catholic Church in Twin Falls, Idaho, on March 7, 2024, at 1:00 PM. A reception will follow the service.