Mary Louise O'Leary, formerly of Davison age 89 died Friday January 18, 2013 at the Pines of Burton. Mass of Christian Burial will be celebrated at 11:00 am Wednesday January 23, 2013 at St. John the Evangelist Catholic Church 404 Dayton St. Davison. Fr. Carl Simon, Celebrant. Burial in Davison Cemetery. Family will receive visitor from 10:00 am Wednesday until of services at the church. Those desiring may make contributions in Mary's memory to the Tay-Sach Foundation. Mary was born in Imlay City Michigan September 22, 1923 the daughter of the late: Cornelius and Blanche (Bird) O'Leary. Mary spent her early years in the area. She resided on Elliot St. in St. Ignace from 1982 until 1997 then moving to Harbor Springs for many years. Mary Louise was a graduate of the University of Michigan, Ann Arbor with a degree in Chemistry. She had been employed by Park-Davis Pharmaceuticals for over thirty-five years. She leaves to cherish her memory numerous family members. She is preceded in death by her close friend Betty Lewis. Share your condolences at www.hansenfuneralhome.net