There is no Fred Buuer in Harry Potter. You may be thinking of Fred Weasley, twin brother of George Wealsey and older brother to Ron. Fred Weasley dies in the end of the seventh book. He died at age 20 by an explosion caused by death eater, Augustus Rookwood while fighting alongside his older brother Percy inside the Hogwarts castle.
Fred Thomas - third baseman - died in 1986.
Fred Berry died on October 21, 2003 at the age of 52.
He did not die, he still lives.
He died from pneumonia.
Fred Stuhr died on October 26, 1997, in Pasadena, California, USA of automobile accident.
No, he did not die.
Fred and George do not both die only Fred dies.
Fred Hollow died on the 10 of February 1993, from cancer.
Fred McKenzie died in 1979.
Fred Kinghorn died in 1971.
Fred Nicholson died in 1972.
Fred Hankinson died in 1997.
Fred Crisman died in 1975.
Fred Duncan died in 1986.
Fred Covey died in 1957.
Fred Sisson died in 1949.
Fred Hawley died in 1954.