According to the SOCIAL SECURITY DEATH INDEX there is a Russell Llewellyn listed. Said he was born 14 June 1920 and died no date May 1986. Said the card was issued in either West Virginia or North Carolina. Place of death was listed in Riverside CA. You might look for an obituary out there. Sometimes they tell alot. Most libraries have microfilm copies of old newspapers. Or you could send for a death certificate. Costs around $10.