title: Jerry Mahoney (umpire)
text: # Jerry Mahoney (umpire)
  
  Michael Jeremiah "Jerry" Mahoney (December 19, 1860 – April 1, 1947) was a professional baseball umpire.
  
  Mahoney umpired 49 American Association games in 1891, and he umpired 16 National League games the following year in 1892, all of them as the lone umpire.
  
  