Mary Lynn Allen, 78, of Olive Branch, born Oct. 8, 1942, went to be with the Lord Thursday, April 22, 2021. Ms. Allen was preceded in death by her husband, Thomas Hardwick Allen, Jr.; parents, Leon Sr. and Mary Katherine Smith; and sister, Virginia Barber. She is survived by her daughter, Donna Marie Ackerman(David); son, Michael Leon Allen(Francine); son, Brian Patrick Allen;…