|1892||World||Mysterious Billy Smith|
- The maximum weight for this division is 147 pounds (66.7 kg or 10½ stone).
- One of the traditional eight divisions.
The welterweight division came into being in the early 1880s, possibly covering weights 141-147 pounds (64.1–66.7 kg or 10 stone 1 lb – 10½ stone). It has been said it was first recognized in England as 142-145 pounds (in 1889, then 1892). In 1909 it was established by London's National Sporting Club (NSC) as 147 pounds (66.7 kg or 10½ stone), and made uniform as 147 pounds by the New York State Athletic Commission (NYSAC) and National Boxing Association (NBA) in 1920.