Mary Louise (Costa) Medeiros 80. of Tiverton, passed away on Monday. She was the wife of Alfred Medeiros. Born in Fall River, she was the daughter of the late Rosalina (Nascimento) and Joseph Costa. Mary had worked as a bookkeeper for Walsh Pharmacy for over 40 years. She was an avid baseball fan and New England Patriots fan. In addition to her husband, she is survived by her children Cathleen Alvarnas (Husband Michael), Rose Marie Deschenes (partner Rob), Jo Ann DeMello (Husband Kevin), Carl Medeiros (partner Christine), Michelle Perry (Fiance Jeremy), along with 9 grandchildren and 5 great grandchildren. Visitation Saturday prior to the funeral from 9 to 10:30am with A Service at 10:30 am in the Pocasset Memorial Funeral Home 462 Main Rd, Tiverton, RI. Burial at Pocasset Hill. www.almeida-pocasset.com for on line guestbook.