Lynda Kay “Casey” Donegan, 76 of Cumming died April 15, 2022. Casey was born in Duncan, Oklahoma and moved to Atlanta in her childhood. She graduated from Avondale High School and attended the University of Georgia. The family is comforted in knowing that she has finally rejoined the true love of her life in Heaven. Casey was a beloved Mother, Grandmother, Aunt, and a friend to all who met her. She was larger than life and will be greatly missed by so many people. Mrs. Donegan was preceded in death by her husband, James C. Donegan and her parents, Howard Boyd Cost and Sadalyn Harvey Cost, sister, Debra Ann Cost Schoubye. She is survived by her sons, Kevin J. Donegan, Keegan C. Donegan; and grandchildren, Jake and Kylie Donegan. In lieu of flowers, please consider contributions to the American Migraine Foundation. A memorial service will be Saturday, April 23, 2022 at 2 o’clock at H.M. Patterson and Son, Arlington Chapel, 173 Allen Rd., Ne, Sandy Springs, GA 30328. The service will be followed by a Celebration of Life event.