Young Jack O'Brien

Young Jack O'Brien, born John Thomas Augustine Hagan was a lightweight and welterweight boxer from Pennsylvania. ^[1]

Young Jack O'Brien
Born	John Thomas Augustine Hagan (1894-10-11)October 11, 1894 Philadelphia, Pennsylvania
Nationality	American
Other names	Young Philadelphia Jack O'Brien
Statistics
Weight(s)	Welterweight
Height	5 ft 9 in (1.75 m)
Stance	Orthodox
Boxing record
Total fights	101
Wins	60
Wins by KO	6
Losses	22
Draws	18
No contests	1

Biography

Young Jack O'Brien was the brother of Philadelphia Jack O'Brien 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.^[2]