Young Jack O'Brien, born John Thomas Augustine Hagan , was a

lightweight Lightweight is a weight class in combat sports and rowing. Boxing Professional boxing The lightweight division is over 130 pounds (59 kilograms) and up to 135 pounds (61.2 kilograms) weight class in the sport of boxing. Notable lightweight boxe ...

and

welterweight Welterweight is a weight class in combat sports. Originally the term "welterweight" was used only in boxing, but other combat sports like Muay Thai, taekwondo, and mixed martial arts also use it for their own weight division system to classify the ...

boxer from

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

Biography

Young Jack O'Brien was the brother of

Philadelphia Jack O'Brien Joseph Francis Hagan (better known as Philadelphia Jack O'Brien) (January 17, 1878 – November 12, 1942) was the world light heavyweight boxing champion in 1905 when he defeated Bob Fitzsimmons for the universal world title. Rather than defendi ...

and the cousin of heavyweight boxer Jack Rowan. On September 18, 1912 he beat Young Brown at the St. Nicholas Arena in

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

References

Boxers from Pennsylvania Lightweight boxers 1894 births Year of death missing American male boxers

External links

* {{US-boxing-bio-stub