Joan Olive Hennessey, 90, of Port Orange FL passed away June 13, 2019. Born in Lynn, MA, on Feb. 6, 1929, to Gaston Henry & Clothilde (Shortsleeves) Duplessis, Joan was the beloved wife of Thomas Ford Hennessey, mother to Brian G. Hennessey (wife Catherine), Sharon R. Mabry (husband Michael), and Anne C. Pritchett, and was nana of Dustin T. Pritchett, Holly E. Benoit, & Lindsay E. Hennessey. A Simmons College graduate, teacher, librarian, & tour guide, Joan was an avid reader, & captivating public speaker & storyteller. A Memorial Service celebrating her life will be held at a later date.