Cheiro was a pseudonym for William John Warner, (November 1, 1866 - October 8, 1936) who was an Irish astrologer and colorful occult figure of the early 20th century. His sobriquet, Cheiro, derives from the word cheiromancy, meaning palmistry. He was a self-described clairvoyant who taught palmistry, astrology, and Chaldean numerology. During his career, he was celebrated for using these forms of divination to make personal predictions for famous clients and to foresee world events.
