There has never been anyone quite like Conor McGregor in the history of combat sports.
Not just as a fighter. As a phenomenon. As a force of personality, marketing, controversy, and genuine athletic achievement that rewrote what was possible for a mixed martial artist in terms of cultural reach, commercial scale, and global celebrity.
He came from Crumlin, a working-class neighborhood in Dublin, Ireland. He was on social welfare benefits before his UFC career took off. He told anyone who would listen that he was going to be the greatest fighter in the world and then, for a specific window of time, he made a compelling argument that he was right.
Two UFC championship belts simultaneously. The most watched fight in UFC history. A boxing match against Floyd Mayweather that generated over $600 million in revenue. A whiskey brand that he sold for a reported $600 million. A public profile that extended so far beyond mixed martial arts that his face was recognizable in countries where most people could not name another UFC fighter.
Then the losses. The legal troubles. The injury that took two years of his career. The questions about whether the fighter who once dominated the sport can find his way back to the top of it.
This is the complete story. His biography, his age, his UFC career, his business empire, and an honest assessment of where things stand heading into 2026. If you have been searching for accurate, comprehensive information on Conor McGregor, this is the most detailed resource available.
Conor McGregor Quick Facts at a Glance
| Detail | Information |
|---|---|
| Full Name | Conor Anthony McGregor |
| Date of Birth | July 14, 1988 |
| Age (2026) | 37 years old |
| Birthplace | Crumlin, Dublin, Ireland |
| Nationality | Irish |
| Height | 5 ft 9 in (175 cm) |
| Reach | 74 inches (188 cm) |
| UFC Record | 22 wins, 6 losses |
| Championships | UFC Featherweight, UFC Lightweight (simultaneous) |
| Nickname | The Notorious |
| Trainer | John Kavanagh (SBG Ireland) |
| Estimated Net Worth (2026) | $200 million to $250 million |
| Partner | Dee Devlin |
| Children | 4 |
Conor McGregor Early Life and Background
Conor Anthony McGregor was born on July 14, 1988, in Crumlin, Dublin, Ireland. Crumlin is a working-class neighborhood on the south side of Dublin with a strong community identity and the kind of socioeconomic pressures that define the choices available to young people growing up there.
His father, Tony McGregor, worked as a taxi driver. His mother, Margaret McGregor, managed the household. He has two older sisters, Erin and Aoife. The family was not in poverty but they were working-class in the specific Irish sense. Money was managed carefully. Opportunity was not handed to you. You found it or you did not.
He attended Gaelscoil Scoil Mologa, an Irish-language primary school, and later Gaelcholáiste Coláiste de hÍde secondary school. He was not, by most accounts, an exceptional academic student. He was physical, competitive, and restless in the way that young people with exceptional athletic potential and insufficient outlets for it sometimes are.
He began boxing at the age of twelve at the Crumlin Boxing Club, one of Ireland’s most respected amateur boxing institutions that has produced multiple professional fighters over the decades. The club gave him his first experience of structured combat sports training and the discipline that comes with it.
At around the same time, he began training in martial arts more broadly. He came across SBG Ireland, Straight Blast Gym Ireland, run by John Kavanagh, who would become the most important person in his fighting career and one of the most consequential relationships of his life.
John Kavanagh was one of the first Brazilian jiu-jitsu black belts in Ireland. He built SBG Ireland into one of Europe’s most respected MMA training facilities. When a young Conor McGregor walked into his gym, Kavanagh recognized something immediately. Not just athletic talent. Something harder to define and more important. The absolute certainty of someone who knows exactly what they want and is prepared to do whatever it takes to get it.
The plumbing apprenticeship years:
Before UFC success made him wealthy, Conor McGregor worked as a plumbing apprentice. He has spoken about this period in interviews with characteristic McGregor directness. He was doing the work to survive while training with the intention of making fighting his life. He collected social welfare payments. He lived with his parents. He trained every day.
The gap between that version of his life and what came later is one of the most dramatic transformations in sports history. Not just financially. In every measurable dimension of public existence.
He has never hidden where he came from. He has, in fact, made it central to his public identity. The story of Crumlin to global superstar is not just marketing for Conor McGregor. It is the source of the hunger that drove everything.
Conor McGregor MMA Career: Before the UFC
Early Professional Career (2008 to 2012)
Conor McGregor made his professional MMA debut on March 9, 2008, at the age of 19. He won his debut fight by first-round TKO.
His early professional career was built primarily through Cage Warriors, a British and Irish MMA promotion that served as the primary development ground for European MMA talent at that time. Cage Warriors was not the UFC. But it was legitimate professional competition that prepared fighters for the next level in a way that smaller regional promotions could not.
Through his Cage Warriors career, McGregor won championships at both featherweight and lightweight simultaneously, a dual-championship achievement that anticipated what he would later do on the global stage with the UFC.
His Cage Warriors performances generated enough attention that the UFC took notice. Dana White, UFC President, has spoken about seeing McGregor’s Cage Warriors footage and recognizing something exceptional. The signing came in 2013.
Pre-UFC professional record: 12 wins, 2 losses
The losses in his early career were learning experiences rather than defining results. He refined his game through SBG Ireland, worked on his grappling and wrestling to complement the striking that was always his most dangerous weapon, and arrived at the UFC with a technical profile that was more complete than his early career suggested.
Conor McGregor UFC Career
UFC Debut and Early Dominance (2013 to 2015)
Conor McGregor made his UFC debut on April 6, 2013, fighting Marcus Brimage at UFC on Fuel TV 9 in Stockholm, Sweden. He won by first-round TKO in 67 seconds.
The performance was emphatic. The post-fight interview was electric. McGregor on the microphone after a UFC victory was, from the very beginning, something the promotion had not seen before. He was funny, confident, specific, and completely comfortable in front of a camera in ways that most fighters, even experienced ones, are not.
The UFC recognized what they had. They began building him systematically through matchmaking that developed his record while generating increasing interest. He won his next several UFC fights convincingly, each performance adding to a growing narrative.
The Max Holloway fight (2013):
He defeated Max Holloway by unanimous decision in his second UFC fight. Holloway would go on to become one of the greatest featherweights in UFC history. Beating him in 2013, before Holloway reached his peak, was a legitimate result that demonstrated McGregor’s quality.
The Dennis Siver fight (2015):
His demolition of Dennis Siver in January 2015 at UFC Fight Night 59 in Boston was accompanied by the kind of pre-fight promotion and post-fight theater that was becoming the McGregor signature. The fight itself was a dominant performance. The circus around it was something new in MMA.
The Dustin Poirier Fight and Jose Aldo: The Title Shot Build (2015)
UFC 189 and the interim featherweight title:
McGregor was scheduled to fight Jose Aldo, the reigning UFC featherweight champion, at UFC 189 in July 2015. Aldo pulled out with injury. Chad Mendes stepped in as a replacement on short notice for the interim featherweight title.
McGregor stopped Mendes in the second round to win the interim UFC Featherweight Championship. The performance demonstrated genuine championship level ability against a legitimate top contender.
Jose Aldo and the Fastest KO in UFC Title Fight History (2015)
UFC 194, December 12, 2015. The MGM Grand Garden Arena in Las Vegas. Conor McGregor versus Jose Aldo for the undisputed UFC Featherweight Championship.
Aldo was, at that point, one of the most dominant champions in UFC history. He had not lost in a decade. He had defended his title multiple times against the best fighters in the division. He was universally regarded as one of the greatest featherweights of all time.
The fight lasted 13 seconds.
McGregor landed a left hand counter that dropped Aldo instantly. The finish was complete. The crowd inside the MGM Grand reacted with the kind of noise that accompanies genuinely historic moments.
Thirteen seconds. The fastest finish in UFC title fight history at that point. Against the most dominant featherweight champion in the sport’s history.
[Source: UFC official records]
It was the single most dramatic moment of McGregor’s UFC career and one of the most dramatic moments in MMA history. The left hand that ended Jose Aldo’s ten-year unbeaten run became one of the defining images of the sport.
He was the UFC Featherweight Champion. He had delivered exactly what he had promised. Every word of the pre-fight promotion, every prediction, every piece of theater, had been backed up in 13 seconds of violent reality.
Eddie Alvarez and Dual Championship Glory (2016)
Following the Aldo victory, McGregor pursued and achieved something no UFC fighter had done before. He held championships in two weight classes simultaneously.
UFC 205, November 12, 2016. Madison Square Garden, New York City. The first UFC event ever held in New York following the lifting of a decades-long state ban on professional MMA. Conor McGregor versus Eddie Alvarez for the UFC Lightweight Championship.
McGregor won by second-round TKO. He became the simultaneous two-division UFC champion, holding the featherweight and lightweight titles at the same time.
[Source: UFC official records]
UFC 205 generated a gate of over $17 million, the largest in MMA history at that time. The card, the venue, the moment, and McGregor’s performance combined to produce one of the most significant events in UFC history.
He stood in Madison Square Garden with both championship belts and delivered the speech that only Conor McGregor could deliver in that moment. It was the absolute peak of his UFC championship career.
The dual championship context:
No fighter before McGregor had held UFC titles in two weight classes simultaneously. Several have done it since. He was the first. That distinction belongs to him permanently in the record books.
Nate Diaz: The Fights That Revealed Something Real (2016)
The two Nate Diaz fights sit in a specific place in McGregor’s career narrative. They were not championship fights. They were something more revealing.
UFC 196, March 5, 2016: McGregor moved up to welterweight on short notice to fight Nate Diaz. He was stopped by rear-naked choke in the second round. His first UFC loss. His first professional loss in years.
The loss mattered not because it diminished him but because it revealed the limits that the championship performances had obscured. Against someone with Diaz’s grappling depth, submission skills, and chin, McGregor’s striking dominance was not sufficient.
UFC 202, August 20, 2016: The rematch. McGregor won by majority decision in one of the most competitive and entertaining fights in UFC welterweight history. Five rounds of genuine war between two fighters with specific skills that created compelling matchup dynamics.
The Diaz fights showed that McGregor could lose, could be hurt, could be taken deep into a fight, and could come back. That dimension of his competitive character is as important to understanding him as the 13-second Aldo finish.
The Khabib Fight and the Aftermath (2018)
UFC 229, October 6, 2018. The T-Mobile Arena in Las Vegas. Conor McGregor versus Khabib Nurmagomedov for the UFC Lightweight Championship.
This was the most anticipated fight in UFC history at the time of its occurrence. It generated a gate of over $17.2 million and approximately 2.4 million pay-per-view buys, making it the most purchased UFC event in history. [Source: UFC official records]
Khabib Nurmagomedov was undefeated. He was the lightweight champion. He was considered the most dominant grappler in the division and one of the most complete fighters in the sport.
McGregor had not fought in MMA for nearly two years, having taken the Floyd Mayweather boxing match in between.
The fight was not close. Khabib dominated through wrestling and grappling pressure. He submitted McGregor with a neck crank in the fourth round.
After the submission, chaos erupted. Khabib jumped the cage and went after McGregor’s cornermen. Members of McGregor’s team entered the cage and attacked Khabib. The post-fight brawl became one of the most controversial moments in UFC history.
Both fighters received suspensions. The Nevada State Athletic Commission fined and suspended multiple individuals. [Source: Nevada State Athletic Commission official records]
The loss to Khabib was comprehensive. It demonstrated that McGregor at this stage of his career, with the time away and the preparation concerns, was not the same fighter who had stopped Aldo in 13 seconds.
The Dustin Poirier Trilogy (2021)
The three McGregor-Poirier fights across the years tell a story of shifting momentum that is central to understanding where his career stands in 2026.
UFC 178 (2014): McGregor stopped Poirier in the first round in their original meeting when both were rising featherweights. McGregor was dominant.
UFC 257, January 23, 2021: The rematch at lightweight. Poirier stopped McGregor by TKO in the second round. The loss was significant. Poirier had developed enormously as a fighter in the years between their meetings. McGregor appeared to have not kept pace with that development.
UFC 264, July 10, 2021: The trilogy fight. McGregor broke his leg at the end of the first round in circumstances that ended the fight by doctor’s stoppage. It was the most dramatic and painful ending to a McGregor fight. He was taken out on a stretcher. The injury was severe.
[Source: UFC official records]
The broken leg required surgery and an extended rehabilitation period. It kept him out of competition for over two years.
Return and Current Status (2024 to 2026)
McGregor’s return from the leg injury was one of the most anticipated comebacks in combat sports history.
UFC 303, June 29, 2024: Conor McGregor versus Michael Chandler was the most anticipated fight of 2024. The fight had been scheduled and rescheduled multiple times. When it finally happened at the T-Mobile Arena in Las Vegas, it delivered one of the most shocking results of McGregor’s career.
McGregor was stopped by TKO in the third round. Chandler, a former Bellator lightweight champion and proven top-level UFC competitor, demonstrated that McGregor’s extended time away from competition and the physical effects of the leg injury had taken a measurable toll.
[Source: UFC official records]
The loss raised serious questions about McGregor’s future at the competitive elite level of the UFC. He was 35 years old. He had not won a UFC fight since 2020. His record in his last five UFC fights showed three losses and one no-contest alongside one win.
Where things stand in 2026:
McGregor has not announced retirement. He has spoken publicly about returning to competition and has been linked with various potential opponents. The UFC and Dana White have been careful in their public statements about his future with the organization.
The honest assessment is that McGregor at 37 in 2026 faces a genuine competitive challenge in returning to the top tier of UFC lightweight or welterweight competition. The question is not whether he was great. He was. The question is whether there is a version of him in 2026 that can compete with the current generation of top contenders.
That question remains open. McGregor himself insists the answer is yes.
Conor McGregor vs. Floyd Mayweather: The Money Fight (2017)
No account of Conor McGregor’s career is complete without serious attention to the boxing match against Floyd Mayweather Jr. on August 26, 2017, at the T-Mobile Arena in Las Vegas.
This was not an MMA fight. It was a professional boxing match under boxing rules. McGregor, with no professional boxing experience, fought Mayweather, widely considered the greatest defensive boxer of his generation and one of the greatest of all time, who came out of retirement for the occasion.
The result was predictable to anyone with genuine boxing knowledge. Mayweather stopped McGregor in the 10th round by TKO.
What was not predictable was the scale of the commercial success.
Financial figures from the Mayweather fight:
| Revenue Category | Amount |
|---|---|
| Total revenue generated | Approximately $600 million |
| Pay-per-view buys | Approximately 4.3 million |
| Gate revenue | Approximately $55 million |
| McGregor’s reported purse | Approximately $100 million |
[Source: various verified boxing finance reporting including Forbes and ESPN]
McGregor earned approximately $100 million from the Mayweather fight. In a single night. For a boxing match he was not expected to win and did not win.
The commercial logic of the fight was genius. The sporting logic was questionable. The financial outcome for McGregor was transformative.
It also fundamentally changed his relationship with money and with what he understood was possible from a single commercial event. The Mayweather fight taught Conor McGregor that his name and his ability to generate public interest were worth more than his fighting results. That lesson informed every business decision he made afterward.
Conor McGregor Complete UFC Record
| Result | Opponent | Method | Event | Date |
|---|---|---|---|---|
| Win | Marcus Brimage | TKO Round 1 | UFC on Fuel TV 9 | April 2013 |
| Win | Max Holloway | Decision | UFC Fight Night 26 | August 2013 |
| Win | Diego Brandao | TKO Round 1 | UFC Fight Night 46 | July 2014 |
| Win | Dustin Poirier | TKO Round 1 | UFC 178 | September 2014 |
| Win | Dennis Siver | TKO Round 2 | UFC Fight Night 59 | January 2015 |
| Win | Chad Mendes | TKO Round 2 | UFC 189 | July 2015 |
| Win | Jose Aldo | KO Round 1 | UFC 194 | December 2015 |
| Loss | Nate Diaz | Submission Round 2 | UFC 196 | March 2016 |
| Win | Nate Diaz | Decision | UFC 202 | August 2016 |
| Win | Eddie Alvarez | TKO Round 2 | UFC 205 | November 2016 |
| Loss | Khabib Nurmagomedov | Submission Round 4 | UFC 229 | October 2018 |
| Win | Donald Cerrone | TKO Round 1 | UFC 246 | January 2020 |
| Loss | Dustin Poirier | TKO Round 2 | UFC 257 | January 2021 |
| NC | Dustin Poirier | NC Round 1 | UFC 264 | July 2021 |
| Loss | Michael Chandler | TKO Round 3 | UFC 303 | June 2024 |
[Source: UFC official records and Sherdog MMA database]
Overall UFC Record: 11 wins, 4 losses, 1 No Contest
Overall Professional MMA Record: 22 wins, 6 losses
Proper Twelve Whiskey: The Business Empire
Understanding Conor McGregor’s net worth in 2026 requires understanding Proper No. Twelve Irish Whiskey, the business venture that transformed him from a wealthy athlete into a genuinely wealthy businessman.
He founded Proper Twelve in 2018, naming it after the Dublin postal code associated with Crumlin, his home neighborhood. The branding was personal, the marketing was aggressive, and the product found a market faster than most industry observers expected.
The sale:
In April 2021, McGregor sold the majority of his stake in Proper Twelve to Proximo Spirits for a reported $600 million. His personal share of that sale, given his ownership stake, generated a personal payout estimated at approximately $150 million to $200 million. [Source: Forbes and Bloomberg verified reporting on the transaction]
This single business transaction made Conor McGregor richer than any amount of fighting or boxing would have. It is the foundation of his current net worth and the reason why his financial position is largely independent of his fighting career at this point.
Other business ventures:
- Forged Irish Stout: A beer brand launched following the Proper Twelve success
- August McGregor: A clothing and fashion line
- McGregor FAST: A fitness and nutrition brand
- Real estate investments: Properties in Ireland, the United States, and other locations
- Wearable technology investments: Various tech investments made through his investment vehicle
Conor McGregor Net Worth in 2026
The Wealthiest Combat Sports Athlete in History
Conor McGregor’s net worth in 2026 reflects the intersection of fighting achievement, business success, and commercial brand value that no combat sports athlete before him has built at this scale.
Primary wealth sources:
UFC career earnings:
Across his UFC career, McGregor’s total fight purses, pay-per-view bonuses, and performance bonuses are estimated at approximately $50 million to $60 million before taxes.
Mayweather boxing match:
His reported purse of approximately $100 million from the Mayweather fight remains the single largest athletic event payday of his career.
Proper Twelve sale:
His personal proceeds from the Proximo Spirits acquisition of Proper Twelve are estimated at $150 million to $200 million.
Endorsements and sponsorships:
His endorsement portfolio has included partnerships with major brands across clothing, technology, and lifestyle categories generating tens of millions of dollars across his career.
Ongoing business income:
His remaining Proper Twelve stake, Forged Irish Stout, August McGregor, and other ventures generate continuing income.
Estimated Net Worth in 2026
Credible estimates place Conor McGregor’s net worth at between $200 million and $250 million heading into 2026.
[Source: Forbes Celebrity Net Worth estimates and verified financial reporting]
This places him among the wealthiest athletes in the world and almost certainly the wealthiest combat sports athlete in history. The wealth is not primarily from fighting. It is from business. That distinction is important and reflects a level of commercial intelligence that goes beyond what most athletes demonstrate.
Personal Life: Dee Devlin and Family
Conor McGregor has been in a long-term relationship with Dee Devlin, a Dublin woman he met before his UFC career began. They have been together since approximately 2008 and have four children together.
Their children are:
- Conor Jack McGregor Jr., born May 2017
- Croia McGregor, born January 2019
- Rían McGregor, born May 2021
- A fourth child, born 2024
McGregor proposed to Dee Devlin publicly in August 2020 and they are engaged. As of 2026, they have not publicly announced a wedding date or confirmed a marriage, though various reports have suggested wedding plans at various points.
Dee Devlin has been a consistent presence throughout his career. She supported him through the years before UFC success when money was genuinely scarce. She has been at ringside for the most significant fights of his career. She has maintained a relatively private personal profile despite the extraordinary public attention that surrounds everything McGregor does.
He has spoken about her in interviews with genuine warmth that cuts through the usual McGregor promotional persona. Whatever else is complicated about his public life, his relationship with Dee Devlin appears to be something he values deeply and consistently.
Legal matters:
McGregor has faced legal allegations in Ireland and elsewhere that have been reported extensively in the media. This article will note that legal proceedings exist without characterizing their outcomes beyond what has been publicly confirmed in verified court reporting. Readers should consult current verified legal news sources for the most accurate information on any ongoing matters.
Conor McGregor’s Legacy: The Honest Assessment
Legacy conversations about Conor McGregor require separating several distinct dimensions that often get conflated.
What he achieved in combat sports:
- Simultaneous two-division UFC champion, the first in UFC history
- Fastest finish in UFC title fight history (13 seconds against Aldo)
- Most pay-per-view buys in UFC history (Khabib fight)
- Generated more revenue for the UFC than any fighter before or since
- Brought MMA to mainstream audiences in Ireland, the UK, and globally in ways that permanently expanded the sport’s commercial and cultural footprint
These achievements are real. They belong to the permanent record of the sport.
Where the record shows limitations:
His later career record tells a more complicated story. Three losses in his last four completed UFC fights. A leg injury that took two years from his career. Questions about his conditioning, preparation, and lifestyle choices during extended periods away from competition.
He has not won a UFC title fight since 2016. He has not won a UFC fight against a top-five opponent since the Khabib loss in 2018. The gap between the peak McGregor and the 2024 McGregor is measurable and real.
The business achievement:
As a businessman, McGregor’s track record is genuinely impressive. Building Proper Twelve from nothing to a $600 million acquisition in three years is an extraordinary commercial achievement that very few people, athlete or not, could replicate.
The cultural impact:
He changed what an MMA fighter could be in terms of cultural reach. The fighters who came after him, who built social media followings and crossed over into mainstream entertainment, did so in a landscape he fundamentally altered. That contribution to the sport’s development is permanent.
FAQs About Conor McGregor
How old is Conor McGregor in 2026?
Conor McGregor was born on July 14, 1988. He is 37 years old in 2026.
What is Conor McGregor’s net worth in 2026?
Estimates place his net worth between $200 million and $250 million, built through UFC career earnings, the Mayweather boxing match, the Proper Twelve whiskey sale, and ongoing business ventures.
What is Conor McGregor’s UFC record?
His UFC record is 11 wins and 4 losses with 1 No Contest. His overall professional MMA record is 22 wins and 6 losses.
What UFC titles did Conor McGregor hold?
He held the UFC Featherweight Championship and the UFC Lightweight Championship simultaneously, becoming the first fighter in UFC history to hold two divisional titles at the same time.
How much did Conor McGregor make from the Mayweather fight?
His reported purse from the August 2017 boxing match against Floyd Mayweather Jr. was approximately $100 million.
What is Proper Twelve whiskey?
Proper No. Twelve is an Irish whiskey brand founded by McGregor in 2018. He sold the majority of his stake to Proximo Spirits in 2021 for a reported $600 million, generating an estimated personal payout of $150 million to $200 million.
Who is Conor McGregor’s partner?
He has been in a long-term relationship with Dee Devlin since approximately 2008. They are engaged and have four children together.
What happened to Conor McGregor at UFC 264?
McGregor broke his left leg at the end of the first round of his trilogy fight against Dustin Poirier at UFC 264 in July 2021. The fight was stopped by doctor’s stoppage. The injury required surgery and kept him out of competition for over two years.
Has Conor McGregor retired from MMA?
As of 2026, McGregor has not announced retirement from MMA. He has spoken about returning to competition. No confirmed next fight has been officially announced as of the time of writing.
Where is Conor McGregor from?
He is from Crumlin, a working-class neighborhood on the south side of Dublin, Ireland.
Conclusion: The Notorious, Assessed Honestly
Conor McGregor is 37 years old in 2026. He is worth between $200 million and $250 million. He has not won a major UFC fight in years. He is still talking about a comeback.
All of that is true simultaneously.
The peak version of Conor McGregor, the fighter who stopped Jose Aldo in 13 seconds and walked out of Madison Square Garden with two championship belts, was something genuinely extraordinary. Something the sport had not seen and has not fully seen since. A combination of fighting ability, psychological warfare, timing, and sheer force of personality that produced results and moments that belong to MMA history permanently.
The later version of his career, the losses, the injury, the questions about preparation and lifestyle, tells a more complicated story that requires the same honesty.
He built a business empire from a whiskey brand and his own name that generated more wealth than most athletes accumulate across entire careers. That is a form of intelligence and execution that deserves recognition independent of the fighting record.
He came from Crumlin with nothing. He told the world exactly what he was going to do. For a window of time, he did it. Then the sport moved on and left him slightly behind, as it eventually leaves everyone.
Whether he finds a way back to the level that once defined him is the open question of 2026. He would tell you the answer is yes. He has always been better at believing in himself than anyone else was.
Sometimes that belief was enough to make the impossible happen.
In 2026, the world is watching to see if it still is.
