William Booth Hopper (August 26, 1891, Jackson, Tennessee – January 14, 1965, Allen Park, Michigan) was a Major League Baseball pitcher. He pitched parts of three seasons in the majors, from 1913 until 1915, for the St. Louis Cardinals and Washington Senators. He is buried in Browns Cemetery in Jackson, Tennessee.
Bill Hopper
| Given name: | William Booth Hopper |
| Nicknames: | Bird Dog |
| Primary Pos: | Pitcher |
| Hght/Wght: | 6'0" / 175 lbs |
| Bats/Throws: | R / R |
| Born: | Aug 26, 1891 in Jackson, TN |
| Died: | Jan 14, 1965 in Allen Park, MI (73 years old) |
| Debut: | Sep 11, 1913 |