James May is not dead. If you're referring to the episode where Top Gear traveled to Albania, the car falling over the cliff at the end supposedly containing James May was just an entertainment stunt created for TV. They used a dummy.
James Glick died on May 1, 1995.
May 2002
James Otis died on May 23, 1783 at the age of 58.
James Blades died on May 19, 1999 at the age of 97.
James Rainwater died on May 31, 1986 at the age of 68.
Ralph James Hall died on May 28, 1999.
James Tamsitt died in May 1996, in Kent, England, UK.
James Boswell died on May 19, 1795 at the age of 54.
James Krondes died on May 8, 1986, in Darien, Connecticut, USA.
James MacTaggart died on May 29, 1974, in London, England, UK.
Jeff James died May 7, 2006, in Indianapolis, IN, USA.
James Tiptree Jr. died on May 19, 1987 at the age of 71.