Namesakes for Cy

Namesakes for CY:
  Hall-of-Famers: 1 baseball, 1 ice hockey
      (baseball) Cy Young   1937  
      (ice hockey) Cy Denneny   1959  
  Notable Professional Athletes: 1 baseball, 1 ice hockey
      (ice hockey) Cy Denneny    
      (baseball) Cy Young   1867-1955