Hahn, Kathleen Osborne Age 77, of St. Paul, formerly of Naperville, Illinois, went to be with her Lord and Savior on April 15, 2018. Her husband and children were at her side. Kathi was proud to be a female pioneer in computer sciences; she taught mathematics at Derham High School in the mid-1960s before beginning her 35 year career as a Systems Analyst primarily with Norwest Bank and US Bank. Kathi was known for her wry sense of humor. She loved the opera, mystery novels, computers, kitties, travel and family. Preceded in death by infant twins, J.W. and J.T. Hahn. Survived by her loving husband of 57 years, Jerold Hahn; children, Jillian (Barry) Ierien, Jeffrey (Leah) Hahn and Jenne (Tory Kielbasa) Hahn; grandchildren, Rory, Natalie & Margaret Ierien and James, Katie, Lydia & Matthew Hahn; and three cherished sisters, Carol Clotfelter, Lorraine Osborne and Frances Adamcik. A private family interment took place at Prairie Oaks Memorial Eco Garden in Inver Grove Heights. The family suggests memorials be sent to Feline Rescue (felinerescue.org) or Central Baptist Church. Memorial service will be held in June at the Central Baptist Church in Saint Paul.