She was born September 13, 1932, in Shaw Mississippi, a daughter of the late Jesse and Alice Chennault. Joan was a member of First Baptist Church in Pearl, and a devoted wife, mother and grandmother.
Survivors include daughters, Pamela Smith and husband David, and Johnnie Maddox and husband Don; son, Hugh Johnston, III and wife Sara; sisters, Nan Harrison and Grace Chennault; 12 grandchildren, 18 great-grandchildren, and 1 great-great-grandchild.
She was preceded in death by her husband, Hugh L. Johnston, Jr.
Visitation will be 9:00-11:00am, Thursday, May 16, 2019, at Baldwin-Lee Funeral Home in Pearl. Funeral services will follow at 11:00am in the funeral home chapel with interment in Lakewood Memorial Park.
Memorials may be made to the ALS Association at www.als.org or to St. Jude Children's Research Hospital at www.stjude.org.