A Guinness official says the title now belongs to 115-year-old Dina Manfredini, of Johnston, Iowa. (AP) She was declared the world’s oldest person in January. In May, Guinness World Records learned that Maria Gomes Valentin of Brazil was 48 days older. Valentin died June 21. Cooper says his mother had been ill recently with a stomach virus, then felt better on Monday. On Tuesday he said she had her hair set and watched a Christmas video, but later had trouble breathing. He said she was put on oxygen in her room and died there about 2 p.m. The woman who was listed as the world’s oldest person has died in a Georgia nursing home at age 116.Besse Cooper died peacefully Tuesday afternoon in Monroe, according to her son Sidney Cooper.