HANNON, Mary E. (Duffy), Lifelong resident Of Arlington, passed away peacefully on May 23, 2023. Beloved wife of the late John F. Hannon. Loving mother of John F. Hannon, Jr. and his wife Mary of Foxborough, Mark C. Hannon of Arlington, and Maura J. Carrier and her husband Craig of Arlington. Devoted Grandma ‘GMa’ of Meghan McLaughlin and her husband James, Patrick Hannon, Kelly Hannon, Katelyn Carrier, and Christopher Carrier. Cherished ‘GGMa’ of Benjamin and Emily. Dear sister of Margaret ‘Peggy’ Consales of Stoneham and her late husband Manny, and the late James Duffy. Mary is also survived by her sister in law Joan Duffy of Burlington, and many loving nieces, nephews, and dear friends. Proud graduate of St. Elizabeth’s School of Nursing, and former Operating Room Nurse at St. Elizabeth’s Hospital for many years. Visiting Hours will be held from the Keefe Funeral Home, 5 Chestnut Street, ARLINGTON on Tuesday, May 30th from 4-7PM. Her Funeral Mass will be celebrated on Wednesday, May 31st in St. Camillus Church, 1185 Concord Turnpike, Arlington at 11:30am. Burial to follow in Mount Pleasant Cemetery in Arlington. In lieu of flowers, donations in Mary’s name may be made to St. Jude Children’s Research Hospital, 501 St. Jude Place, Memphis, TN 38105. For directions or to send a condolence visit www.keefefuneralhome.com