On May 14, 1885, Warren was married to Georgia "Daisy" Williams in New York City. They lived in New York City and in
Newport, Rhode Island. and George Henry Warren III, a member of the
New York Stock Exchange who married Katherine Urquhart, founder and president of the
Preservation Society of Newport County. Warren died at his home, 924 Fifth Avenue in New York City, on June 3, 1943. ==References==