Gary “Spike” O’Sullivan, born on July 14, 1984, is an Irish professional boxer who has significantly impacted the middleweight division.
Between 2009 and 2017, he held multiple regional middleweight championships, showcasing his prowess and determination in the boxing ring.
You can follow Gary O’Sullivan’s net worth, salary, career earnings, contract, stats, wife, career overview, and more.
Gary O’Sullivan’s Net Worth Details
As of 2026, Gary O’Sullivan’s net worth is estimated to be $900,000. His earnings come from his prize money as a professional boxer, endorsements, and other sources.
Prize Money
O’Sullivan’s prize money has varied throughout his career, with fight earnings contributing significantly to his net worth. The specific prize money for Gary O’Sullivan’s boxing matches is not publicly disclosed.
Career Earnings
| Date | Opponent | Result | Earnings |
| 2022-05-28 | Erislandy Lara | L-TKO | Unknown |
| 2021-05-29 | Nodar Robakidze | W-UD | Unknown |
| 2020-01-11 | Jaime Munguia | L-TKO | Unknown |
| 2019-03-16 | Khiary Gray | W-TKO | Unknown |
| 2018-12-07 | Gabor Gorbics | W-PTS | Unknown |
| 2018-09-15 | David Lemieux | L-KO | Unknown |
Endorsement
Gary O’Sullivan has been involved in a few endorsements throughout his career. One notable endorsement is with Collectibulldogs, a social enterprise dedicated to educating people about bulldogs.
O’Sullivan agreed to support this venture without charging for the endorsement, showing empathy and concern for others.
About Gary O’Sullivan
| Full Name | Gary “Spike” O’Sullivan |
| Nickname | The Celtic Warrior |
| Birth Date | July 14, 1984 |
| Height | 5 ft 10 in (178 cm) |
| Birthplace | Cork, Ireland |
| Nationality | Irish |
| Current Net Worth | $900,000 |
| Relationship Status | Single |
| Instagram Profile | @garyspikeosullivan |
Born on July 14, 1984, in Mahon, Cork, Republic of Ireland, Gary O’Sullivan stepped into the world where he would later become a celebrated boxer.
His Irish nationality and the moniker “The Celtic Warrior” reflect his deep roots in Ireland, a country known for its fighting spirit.
Early Career
O’Sullivan’s journey in boxing began with a bang. He debuted professionally on January 26, 2008, against Peter Dunn and emerged victorious with a sixth-round TKO.
This win was a sign of the success that was to follow as he secured 15 more consecutive victories.
Professional Career
Gary “Spike” O’Sullivan is an Irish professional boxer who has significantly impacted the middleweight division.
His professional career began in 2008 and has spanned over a decade. Between 2009 and 2017, he held multiple middleweight championships at the regional level, including the prestigious Irish title.
O’Sullivan’s professional debut was against Peter Dunn on January 26, 2008, which he won by TKO.
He continued to build a strong record, demonstrating his boxing prowess in numerous fights.
His notable victories include wins over Antoine Douglas, Milton Núñez, Matthew Hall, Berlin Abreu, Melvin Betancourt, David Toribio, and Tadas Jonkus.
Significant fights against formidable opponents have marked his career. For instance, he faced Erislandy Lara on May 28, 2022, for the WBA (Regular) title, although he lost the fight via an 8th-round TKO.
He also had notable bouts against Nodar Robakidze, Jaime Munguia, Khiary Gray, Gabor Gorbics, and David Lemieux.
Girlfriend
Gary O’Sullivan is possibly single, and there are no records of past relationships.
Age
As of January 2024, he is 39 years old.
Height
Gary O’Sullivan stands at 5 feet 10 inches tall.
Nationality
O’Sullivan is Irish.
Career Stats
| Total Fights | Wins | Wins by KO | Losses |
| 36 | 31 | 21 | 5 |
FAQs
What is Gary O’Sullivan’s full name and nickname?
His full name is Gary O’Sullivan, and his nickname is “Spike” or “The Celtic Warrior”.
When and where was Gary O’Sullivan born?
Gary O’Sullivan was born on July 14, 1984, in Mahon, Cork, Republic of Ireland.
What is Gary O’Sullivan’s current professional boxing record?
As of early 2024, O’Sullivan’s professional record is 31 wins (21 by KO), 5 losses, and 0 draws.
What titles has Gary O’Sullivan held?
Between 2009 and 2017, O’Sullivan held multiple regional middleweight titles, including the Irish middleweight title.
Who are some notable opponents O’Sullivan has faced?
He has faced boxers like Erislandy Lara, Jaime Munguia, David Lemieux, Antoine Douglas, and Chris Eubank Jr.
What is O’Sullivan’s boxing style and stance?
O’Sullivan fights from an orthodox stance and is known for his aggressive, hard-hitting style despite sometimes lacking technical skills.
How tall is Gary O’Sullivan, and what is his reach?
O’Sullivan is 5 feet 10 inches (178 cm) tall and has a reach of 70.5 inches (179 cm).
What is Gary O’Sullivan’s estimated net worth as of 2024?
While not publicly disclosed, his net worth in 2024 is estimated to be over $900,000, based on his boxing earnings and endorsements.
Has Gary O’Sullivan appeared in any films?
Yes, O’Sullivan acted and performed stunts in the 2007 film Strength and Honour.
What is the latest on O’Sullivan’s next scheduled fight?
As of early 2024, O’Sullivan does not have his next fight officially scheduled after his loss to Lara in May 2022.
