Montana Jack Sullivan
Name: Montana Jack Sullivan
Birth Name: John Warren Sullivan
Hometown: O'Neill, Nebraska, USA
Birthplace: Houghton, Michigan, USA
Died: 1958-10-26 (Age:81)
Height: 180cm
Pro Boxer: Record
Born in Houghton, Michigan, Sullivan was raised in O'Neill, Nebraska.
Brother of 1896 Olympian Montana Dan Sullivan who also boxed.
In 1905, he was playing third base for the Helena Club, while also boxing.
After his boxing career, Sullivan was an electrician for the city of Butte twice (Sullivan had been working as an electrician prior to his boxing career.). Until eight years before his death, he operated the Sullivan Electric Shop. Sullivan was never married.
According to a news item with a Butte, Montana dateline in the October 27, 1958 edition of the Billings Gazette on the newspaper database of Ancestry.com, John W. Sullivan, known in boxing circles as Montana Jack Sullivan, died on Sunday (October 26, 1958) in a Butte hospital.