| Player | Birth date | First year in majors | Last year in majors | Played in majors | With StL-N | With minors | Drafted |
| William Alsenauer | November 10, 1925 | 0 | 0 | No | No | Yes | 0 |
| William Amason | November 21, 1923 | 0 | 0 | No | No | Yes | 0 |
| William Anderson | 1954 | 0 | 0 | No | No | Yes | 0 |
| William Arroyo | 0 | 0 | No | No | Yes | 0 | |
| William Bishop | 1942 | 0 | 0 | No | No | Yes | 0 |
| William Bishop | 0 | 0 | No | No | Yes | 0 | |
| William Bone | July 27, 1935 | 0 | 0 | No | No | Yes | 0 |
| William Bontz | 1936 | 0 | 0 | No | No | Yes | 0 |
| William Bowles | July 11, 1900 | 0 | 0 | No | No | Yes | 0 |
| William Bowman | 1955 | 0 | 0 | No | No | Yes | 0 |
| William Brooks | 1948 | 0 | 0 | No | No | Yes | 0 |
| William Brown | October 28, 1923 | 0 | 0 | No | No | Yes | 0 |
| William Brown | 1866 | 1887 | 1894 | Yes | Yes | No | 0 |
| William Buntrock | 0 | 0 | No | No | Yes | 0 | |
| William Burda | November 1, 1926 | 0 | 0 | No | No | Yes | 0 |
| William Burton | July 12, 1931 | 0 | 0 | No | No | Yes | 0 |
| William Carlson | 0 | 0 | No | No | Yes | 0 | |
| William Cloude | 1926 | 0 | 0 | No | No | Yes | 0 |
| William Collins | 0 | 0 | No | No | Yes | 0 | |
| William Collins | 1943 | 0 | 0 | No | No | Yes | 0 |
| William Colone | August 17, 1917 | 0 | 0 | No | No | Yes | 0 |
| William Colvin | 1926 | 0 | 0 | No | No | Yes | 0 |
| William Connell | 1939 | 0 | 0 | No | No | Yes | 0 |
| William Cooke | October 31, 1935 | 0 | 0 | No | No | Yes | 0 |
| William Cooper | 0 | 0 | No | No | Yes | 0 | |
| William Coss | 0 | 0 | No | No | Yes | 0 | |
| William Cost | 0 | 0 | No | No | Yes | 0 | |
| William Cowell | January 4, 1919 | 0 | 0 | No | No | Yes | 0 |
| William Cowens | January 20, 1955 | 0 | 0 | No | No | Yes | 1974 |
| William Cox | December 22, 1912 | 0 | 0 | No | No | Yes | 0 |
| William Cranford | 1918 | 0 | 0 | No | No | Yes | 0 |
| William DiCrosta | February 6, 1937 | 0 | 0 | No | No | Yes | 0 |
| William Dixon | 1919 | 0 | 0 | No | No | Yes | 0 |
| William Elliott | 1924 | 0 | 0 | No | No | Yes | 0 |
| William Ellison | 0 | 0 | No | No | Yes | 0 | |
| William Flowerday | 1936 | 0 | 0 | No | No | Yes | 0 |
| William Ford | October 14, 1915 | 1936 | 1936 | Yes | No | Yes | 0 |
| William Glover | 1923 | 0 | 0 | No | No | Yes | 0 |
| William Goff | 0 | 0 | No | No | Yes | 0 | |
| William Greenamoyer | June 5, 1926 | 0 | 0 | No | No | Yes | 0 |
| William Groff | November 17, 1984 | 0 | 0 | No | No | Yes | 2006 |
| William Henderson | 0 | 0 | No | No | Yes | 0 | |
| William Henson | 0 | 0 | No | No | Yes | 0 | |
| William Hoelzer | January 20, 1950 | 0 | 0 | No | No | Yes | 0 |
| William Hoffland | 1937 | 0 | 0 | No | No | Yes | 0 |
| William Hollis | 0 | 0 | No | No | Yes | 0 | |
| William Homan | January 31, 1916 | 0 | 0 | No | No | Yes | 0 |
| William Hopkins | March 10, 1929 | 0 | 0 | No | No | Yes | 0 |
| William Howard | 1932 | 0 | 0 | No | No | Yes | 0 |
| William Howe | 0 | 0 | No | No | Yes | 0 | |
| William Jobe | 0 | 0 | No | No | Yes | 0 | |
| William Johnson | 0 | 0 | No | No | Yes | 0 | |
| William Johnson | 1922 | 0 | 0 | No | No | Yes | 0 |
| William Johnson | 1928 | 0 | 0 | No | No | Yes | 0 |
| William Josephs | 0 | 0 | No | No | Yes | 0 | |
| William Kane | November 24, 1920 | 0 | 0 | No | No | Yes | 0 |
| William Kermode | November 30, 1906 | 0 | 0 | No | No | Yes | 0 |
| William Kincanon | January 9, 1960 | 0 | 0 | No | No | Yes | 0 |
| William Langston | 1933 | 0 | 0 | No | No | Yes | 0 |
| William Long | 1926 | 0 | 0 | No | No | Yes | 0 |
| William Look | 0 | 0 | No | No | Yes | 0 | |
| William Looney | 1929 | 0 | 0 | No | No | Yes | 0 |
| William Lorillard | August 7, 1953 | 0 | 0 | No | No | Yes | 0 |
| William Lowe | 1919 | 0 | 0 | No | No | Yes | 0 |
| William Lyons | 0 | 0 | No | No | Yes | 0 | |
| William Marzonie | 0 | 0 | No | No | Yes | 0 | |
| William McCullough | 1917 | 0 | 0 | No | No | Yes | 0 |
| William McDonald | July 21, 1938 | 0 | 0 | No | No | Yes | 0 |
| William McGowan | 0 | 0 | No | No | Yes | 0 | |
| William Miller | October 16, 1931 | 0 | 0 | No | No | Yes | 0 |
| William Montgomery | 1926 | 0 | 0 | No | No | Yes | 0 |
| William Morrison | 1920 | 0 | 0 | No | No | Yes | 0 |
| William Morris | 0 | 0 | No | No | No | 0 | |
| William Moye | 1916 | 0 | 0 | No | No | Yes | 0 |
| William Nickols | 0 | 0 | No | No | Yes | 0 | |
| William Novosad | 1925 | 0 | 0 | No | No | Yes | 0 |
| William O'Rourke | 0 | 0 | No | No | Yes | 0 | |
| William Osborne | 1921 | 0 | 0 | No | No | Yes | 0 |
| William Owens | 0 | 0 | No | No | Yes | 0 | |
| William Poland | October 13, 1913 | 0 | 0 | No | No | Yes | 0 |
| William Poore | 1964 | 0 | 0 | No | No | Yes | 0 |
| William Prout | March 13, 1913 | 0 | 0 | No | No | Yes | 0 |
| William Rea | November 27, 1910 | 0 | 0 | No | No | Yes | 0 |
| William Robertson | 1928 | 0 | 0 | No | No | Yes | 0 |
| William Robeson | December 26, 1918 | 0 | 0 | No | No | Yes | 0 |
| William Robinson | 0 | 0 | No | No | Yes | 0 | |
| William Robinson | 1928 | 0 | 0 | No | No | Yes | 0 |
| William Robinson | September 19, 1859 | 1882 | 1892 | Yes | Yes | No | 0 |
| William Roe | 1922 | 0 | 0 | No | No | Yes | 0 |
| William Rothan | May 16, 1951 | 0 | 0 | No | No | Yes | 0 |
| William Salmose | 1917 | 0 | 0 | No | No | Yes | 0 |
| William Salomone | April 5, 1912 | 0 | 0 | No | No | Yes | 0 |
| William Salveson | 0 | 0 | No | No | Yes | 0 | |
| William Schopp | 1956 | 0 | 0 | No | No | Yes | 1976 |
| William Shannon | March 21, 1926 | 0 | 0 | No | No | Yes | 0 |
| William Shemo | February 7, 1917 | 0 | 0 | No | No | Yes | 0 |
| William Silverthorne | February 26, 1932 | 0 | 0 | No | No | Yes | 0 |
| William Solmose | 0 | 0 | No | No | Yes | 0 | |
| William Sonderman | 0 | 0 | No | No | Yes | 0 | |
| William Stokes | 1932 | 0 | 0 | No | No | Yes | 0 |
| William Storey | 0 | 0 | No | No | Yes | 0 | |
| William Sullivan | November 25, 2000 | 0 | 0 | No | No | Yes | 2023 |
| William Thomas | April 26, 1958 | 0 | 0 | No | No | Yes | 1977 |
| William Thompson | 1933 | 0 | 0 | No | No | Yes | 0 |
| William Thompson | 0 | 0 | No | No | Yes | 0 | |
| William Tobin | 1927 | 0 | 0 | No | No | Yes | 0 |
| William Todd | April 5, 1950 | 0 | 0 | No | No | Yes | 0 |
| William Wano | May 12, 1896 | 0 | 0 | No | No | Yes | 0 |
| Allen Williamson | 0 | 0 | No | No | Yes | 0 | |
| Al Williamson | February 20, 1900 | 1928 | 1928 | Yes | No | Yes | 0 |
| Howie Williamson | December 23, 1904 | 1928 | 1928 | Yes | Yes | Yes | 0 |
| Jim Williamson | August 16, 1946 | 0 | 0 | No | No | Yes | 0 |
| John Williamson | 0 | 0 | No | No | Yes | 0 | |
| L.M. Williamson | 1906 | 0 | 0 | No | No | Yes | 0 |
| Willie Williamson | May 13, 1980 | 0 | 0 | No | No | Yes | 2002 |
| Williamson | 0 | 0 | No | No | Yes | 0 | |
| Clifford Williams | 1917 | 0 | 0 | No | No | Yes | 0 |
| Delmar Williams | November 23, 1921 | 0 | 0 | No | No | Yes | 0 |
| Donivan Williams | July 25, 1999 | 0 | 0 | No | No | Yes | 2017 |
| Doug Williams | December 18, 1923 | 0 | 0 | No | No | Yes | 0 |
| Gabby Williams | April 5, 1923 | 0 | 0 | No | No | Yes | 0 |
| George Williams | October 23, 1939 | 1961 | 1964 | Yes | No | Yes | 0 |
| Jerome Williams | December 4, 1981 | 2003 | 2016 | Yes | Yes | Yes | 0 |
| Jimy Williams | October 4, 1943 | 1966 | 1967 | Yes | Yes | Yes | 0 |
| John Williams | 0 | 0 | No | No | Yes | 0 | |
| Joseph Williams | April 8, 1981 | 0 | 0 | No | No | Yes | 0 |
| Leonard Williams | 0 | 0 | No | No | Yes | 0 | |
| Mark Williams | November 17, 1972 | 0 | 0 | No | No | Yes | 1992 |
| Mutt Williams | July 31, 1892 | 1913 | 1914 | Yes | No | Yes | 0 |
| Myron Williams | 1914 | 0 | 0 | No | No | Yes | 0 |
| Otto Williams | November 2, 1877 | 1902 | 1906 | Yes | Yes | No | 0 |
| Robert Williams | 0 | 0 | No | No | Yes | 0 | |
| Ronnie Williams | January 6, 1996 | 0 | 0 | No | No | Yes | 2014 |
| Simon Williams | June 30, 1982 | 0 | 0 | No | No | Yes | 2004 |
| Steamboat Williams | January 31, 1892 | 1914 | 1916 | Yes | Yes | No | 0 |
| William Williams | November 4, 1925 | 0 | 0 | No | No | Yes | 0 |
| Woody Williams | August 19, 1966 | 1993 | 2007 | Yes | Yes | Yes | 0 |
| Jovany William | January 29, 1977 | 0 | 0 | No | No | Yes | 0 |
| William Wilson | December 20, 1908 | 0 | 0 | No | No | Yes | 0 |
| William Wilson | 0 | 0 | No | No | Yes | 0 | |
| William Wooten | 0 | 0 | No | No | Yes | 0 | |
| William Worthman | 0 | 0 | No | No | Yes | 0 | |
| William Yarewick | November 15, 1916 | 0 | 0 | No | No | Yes | 0 |
| William Zollo | 1925 | 0 | 0 | No | No | Yes | 0 |