Dr. Sullivan was born in January 1952 in Memphis and was preceded in death by his parents, John (Jack) and Corinne (Boots) Sullivan, and by his beloved wife for over 38 years, Susie Glenn Sullivan, who died on May 30.
He is survived by his two sons, John (Jack) Sullivan III and Frank Sullivan. He has three grandchildren, Harper, Gaddon, and Weston. Dr. Sullivan is survived by two brothers, Thomas M. Sullivan and David M. Sullivan, and a sister, Mary Daley, along with numerous nieces and nephews.
Dr. Sullivan graduated from the University of Tennessee College of Dentistry in 1978 and began a successful dental practice in Memphis. In 1996, he and his family moved to Chicago, where he enrolled in the Northwestern University dental school’s advanced endodontics program and graduated in 1998. He then practiced in Knoxville for nearly 20 years before retiring in March 2020, when his wife, Susie, became critically ill.
A funeral Mass followed by interment was held at the Cathedral of the Most Sacred Heart of Jesus on Dec. 4. Memorials may be made to the St. Elizabeth Ann Seton Guild at Sacred Heart.