| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1882 | 927 | 1465 | (108) | 12 |  
  | 1883 | 966 | 1474 | (105) | 0 |  
  | 1884 | 1094 | 1483 | (101) | 0 |  
  | 1885 | 971 | 1491 | (97) | 13 |  
  | 1886 | 977 | 1486 | (100) | 0 |  
  | 1887 | 896 | 1480 | (103) | 0 |  
  | 1888 | 902 | 1474 | (104) | 0 |  
  | 1889 | 890 | 1469 | (106) | 0 |  
  | 1890 | 946 | 1463 | (106) | 12 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: O'Farrell, J. |  
   | Born: |  
   | Died: |  |  |  
   | Notes: |  
   | Di Felice gives 'O'Farrell, Patrick' but he seems to have been American. Yanofsky and the British Chess Magazine give 'J. O'Farrell'. |  |  |  |  
   | References |  |  |  |