| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1932 | 1732 | 1846 | (106) | 8 |  
  | 1933 | 1702 | 1853 | (99) | 0 |  
  | 1934 | 1795 | 1860 | (90) | 0 |  
  | 1935 | 1790 | 1868 | (80) | 0 |  
  | 1936 | 1705 | 1875 | (68) | 5 |  
  | 1937 | 1580 | 1890 | (56) | 23 |  
  | 1938 | 1565 | 1889 | (57) | 10 |  
  | 1939 | 1421 | 1881 | (57) | 11 |  
  | 1940 | 1244 | 1877 | (62) | 0 |  
  | 1941 | 1228 | 1872 | (62) | 9 |  
  | 1942 | 1110 | 1855 | (70) | 0 |  
  | 1943 | 1051 | 1838 | (75) | 0 |  
  | 1944 | 1041 | 1821 | (78) | 0 |  
  | 1945 | 1066 | 1804 | (79) | 0 |  
  | 1946 | 1037 | 1787 | (78) | 0 |  
  | 1947 | 851 | 1770 | (75) | 13 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Bain, Mary |  | Also known as: Mrs. Leslie Balogh Bain; Mary Weiser |  
   | Born: 1903 |  
   | Died: 26 Oct. 1972 |  |  |  
   | Notes: |  
   | Bruce Monson says that, according to her children, Mary Bain was born in 1903. |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1936-1940, page 346 |  
   | Di Felice, Chess Results, 1941-1946, page 333 |  
   | Di Felice, Chess Results, 1947-1950, page 206 |  
   | Gaige, Chess Personalia, page 19 |  
   | Sánchez, José Raúl Capablanca, page 398 |  | Web |  
   | Monson, Bruce.  [The Pasadena Congress Women's Tournament] |  
   | Phony Benoni.  [US Open 1947, Corpus Christi] |  
   | Sarah.  [American Woman - Part I] |  |  |