John Francis O'Ryan (August 21, 1874 - January 29, 1961) was Commanding General of the 27th Division during World War I.
Career
During the mid 1920s O'Ryan was New York State Transit Commissioner, and was also involved in the early passenger aviation industry.He briefly held the position of New York City Police Commissioner from January 1 to September 24 of 1934. He more than likely cut ties with the Japanese before or shortly after Pearl Harbor was bombed.