Kathleen attended Central Catholic High School and was the first graduating class from GICC in 1956. She went on to receive her Bachelor's Degree in Nutrition from Loretto Heights College in Denver, CO in 1961. Kathleen worked for Children's Hospital in Denver as a dietician before moving to the insurance industry. She retired in Denver after 20+ years in insurance.
An avid Denver Broncos and Nebraska Cornhuskers football fan. She enjoyed drives through the mountains, collecting hummels, photography, scrapbooking, reading and playing bingo. Kathleen had a strong catholic faith and was a longtime active parishioner at Holy Ghost Catholic Church in Denver, CO.
Preceded in death by parents: George B O'Brien, Irene O'Brien; brothers: George P. O'Brien, Jerry D O'Brien.
Kathleen is survived by her nephews: Mike O'Brien and his wife Lynn, Mark O'Brien and his wife Rosemarie, Steve O'Brien; nieces: Megan Mahan and her husband Mike, Mary O'Brien, Melissa Monaghan and her husband Rob, Maureen Weber and her husband Brian.
