Mary Ann Lennon, 86, of Great Falls, passed away from a stroke on Monday, September 25, 2017 at Peace Hospice. Visitation will be from 6:00 pm to 8:00 pm on Thursday, September 28, 2017 at O’Connor Funeral Home. The funeral service will be 2:00 pm on Friday, September 29, 2017 at O’Connor Memorial Chapel. Mary Ann was born April 15, 1931 in Little Falls, Minnesota to Louis and Anna Rodeski. She attended high school there and shortly after came to Great Falls to be with her sister, Betty. She lived in Great Falls the remainder of her life. She met Robert Lennon in Great Falls while he was in the U.S. Navy. They married in 1953 and a daughter, Stephanie, was born to their union. Mary Ann was a legal secretary and then secretary to the First National Bank President for 25+ years. She was a faithful member of Cascade Sacred Heart Catholic Church for over 20 years. Mary Ann loved animals and gardening. Mary Ann is survived by her loving husband, Robert; daughter Stephanie Lennon-Catron; son-in-law Doug Catron; sister Betty Walters; brother Jerry Hoffman; grandchildren Josh (Shaleen) Catron, Michael (Mariana) Catron, Allison (Deji) Olumesi, Annalisa Catron, and Kevin Catron; seven great-grandchildren; and expecting two more great-grandchildren. She was preceded in death by her parents, Louis and Anna Rodeski; brothers Victor, Louis, and Stanley Rodeski; and grandchildren Angela and Zach Catron. Memorials in Mary Ann’s memory may be given to Humane Society of Cascade County, P.O. Box 1774, Great Falls, MT 59404 or Maclean Animal Adoption Center, P.O. Box 3426, Great Falls, MT 59403.