Joseph Kefwas Mattos, 47, of Hilo died Aug. 14 in Honolulu. Born in Marshall Islands he was a cafeteria helper at Keaau High and Middle schools, member of the Waiakea Uka Association and baseball coach. Visitation 9-10:30 a.m. Saturday, Sept. 23, at Dodo Mortuary Chapel. Funeral service at 10:30 a.m. Burial at Homelani Memorial Park, Lehua Section. Survived by mother, Marion Mattos of Hilo; daughter, Azaria Jolie Mattos-Watkins of Hilo; brothers, Bradley Mattos, August Mattos and Patrick Mattos of Hilo, Richard (Marcelle) Mattos of Ewa Beach, Oahu; sister, Malia Loa-Mattos of Hilo; uncles, aunts, cousins, nephews and nieces. Arrangements by Dodo Mortuary.