Marianna “Nan” O’Brien, 93, of Kettering OH, passed away 27 Feb 2018. She was born 6 Mar 1925 in Kettering OH to the late Vernon and Leona (Gross) Segui. She was also preceded in death by her husband of 48 years, Pat O’Brien, a granddaughter, a great granddaughter, 3 sisters and 2 brothers. She is survived by her children, Cecelia Stacey, Jim (Patti) O’Brien, Martha Cruse, Monica Benson (Chuck Smith), Lee (Mark) Snead; sisters, Helen Godfrey, Vernadele (Jim) Lucas; many grandchildren, great grandchildren and great-great grandchildren, as well as “daughters”, Phyllis (Paul) Morris, and Cathy (Glenn) Phillips. Funeral Mass will be held at 10:30 AM on 7 April 2018 and a memorial luncheon to follow at Ascension Church, 2025 Woodman Dr. in Kettering, where she was a charter member. Memorial contributions may be made to the Life Enrichment Center, 425 N Findlay St, Dayton OH, 45404, where she was a longtime volunteer.