Jack Britton was an American boxer who was the first three-time world welterweight boxing champion. Born William J. Breslin in Clinton, New York, his professional career lasted for 25 years beginning in 1905. He holds the world record for the number of title bouts fought in a career with 37, many against his arch-rival Ted "Kid" Lewis, against whom he fought 20 times. Statistical boxing website BoxRec lists Britton as the No. 6 ranked welterweight of all time while The Ring Magazine founder Nat Fleischer placed him at No. 3. He was inducted into the Ring Magazine Hall of Fame in 1960 and the International Boxing Hall of Fame as a first-class member in 1990.

Clinton is a village in Oneida County, New York, United States. The population was 1,942 at the 2010 census, declining to 1,683 in the 2020 census 13% decline). It was named for George Clinton, the first Governor of New York.