Kathleen Ann Kelliher, 66, of Livingston, passed away at home on Thursday, July 19, 2018. Kathy was born in Stoneham, Massachusetts to Hugh Joseph Kelliher and Carol (Hughes) Kelliher. She attended the University of Massachusetts - Boston. In 1995, she left her job at Lotus Corporation to work in Yellowstone. There she met her husband Larry, and they enjoyed many adventurous years together in the park. They moved to Livingston in 2005. Kathy retired from MSU in 2017. Kathy is survived by her husband, Larry Heycock of Livingston; sister, Nancy and brothers, Mike, Steve and Greg; aunt, May Lou Hughes; uncles, Neil and Walter Kelliher; beloved nieces and nephews and their families. Cremation has taken place. There will be a celebration of life at the Sacajawea Park Gazebo on Saturday, July 28, beginning at 2:00pm with a time of sharing at 2:30pm. Memorial donations in Kathy's name can be made to the Stafford Animal Shelter, 3 Business Park Rd, Livingston, MT 59047.