William Davitte "Mary" Calhoun (June 23, 1890 – January 28, 1955) was a former Major League Baseball player who played six games, all at first base, for the Boston Braves in 1913.
Bill Calhoun
| Given name: | William Davitte Calhoun |
| Nicknames: | Mary |
| Primary Pos: | Firstbase |
| Hght/Wght: | 6'0" / 180 lbs |
| Bats/Throws: | L / L |
| Born: | Jun 23, 1890 in Rockmart, GA |
| Died: | Jan 28, 1955 in Sandersville, GA (64 years old) |
| Debut: | Apr 24, 1913 |