Stanley G. Mortimer was a noted sportsman from Tuxedo, New York.
Brooklyn Daily Eagle, June 21, 1896
Mr. Stanley Mortimer has engaged the camp belonging to Dr. Samuel B. Ward of Albany and is expected here with his family next week.
Brooklyn Daily Eagle, June 27, 1897
Rhode Island
Newport
…The Polo Club has already spent $25,000 in perfecting Its grounds. The crack Newport poloists for this season are Harry Payne Whitney, Stanley Mortimer, Egerton Winthrop, jr., and Moses Taylor. The Myopias, Westchesters, Rockaways, Meadow Brooks, etc., will all compete for honors during the summer…
