HENNESSEY, Margaret M. (Shellenback) of Newton, formerly of Avon, CT, died peacefully surrounded by her loving family on October 25, 2018. She was born on May 13, 1934 in Los Angeles, CA to Frank V. and Elizabeth (Taylor) Shellenback. She graduated from Mt Alvernia High School in Newton, MA, and St. Elizabeth’s College for nursing. She worked at Avon Old Farms Prep School as the school nurse. Margaret adored her family, the Boston Red Sox, and tennis. Her passion for cooking provided many mouth-watering meals—especially the chicken a la king-- to family and friends. Predeceased by her beloved husband of 62 years John G. Hennessey, Sr and daughter Elizabeth Ann Barr. Loving mother of Jerry and his wife Becky of North Attleboro, Richard and his wife Sandy of Vero Beach, FL, Michael of Avon, CT, Bryan and his wife Dina of Bristol, RI, Margaret and husband Michael Wiese of Santa Fe, NM, Christopher and his wife Lisa of Hingham, MA and Jacqueline of Auburndale, MA. Devoted grandmother of John G. III, Kathleen, Christina, Kaylee, Richard, Kiara, Corinna, Ryan, Carissa, Sadie Wiese, Jack, Elizabeth, and Joe. Loving great grandmother of Rebecca Rose, Laila Grace, and Emersyn Rae. Visiting hours omitted. Interment private at the National Cemetery in Bourne, MA. Go Sox! For guestbook www.gormleyfuneral.com.