Conor McGregor is a 37-year-old Irish mixed martial artist and entrepreneur, widely known for his UFC achievements and business ventures. Explore his career, Proper No. Twelve enterprise and the controversies that have shaped his public life.

Conor Anthony McGregor is among the most recognisable figures in modern mixed martial arts. Born and raised in Crumlin, Dublin, he progressed from a plumbing apprenticeship and state support to become the UFC’s first simultaneous two-division champion, a crossover boxing star and a high-profile entrepreneur. Nicknamed “The Notorious,” McGregor helped change how combat sport is marketed, turning fighters into global brands while raising the public profile of mixed martial competition.

His public life since his last competitive bout in 2021 has been shaped as much by legal proceedings and public controversy as by sporting achievement. At 37, McGregor also attracts significant attention for his business dealings — notably Proper No. Twelve Irish Whiskey — and for the legal disputes that followed. Where possible, this article uses reputable sources for factual claims and flags items that require confirmation from court records, official statements or primary reporting.

Key Facts About Conor McGregor

Early Life: From Crumlin to the Cage

Conor McGregor was born on 14 July 1988 in Crumlin, a working‑class neighbourhood on Dublin’s south side. He is the son of Margaret and Tony McGregor and has two sisters, Erin and Aoife. Sport was a constant in his childhood: McGregor played football for local side Lourdes Celtic and later focused on boxing, which ultimately steered him towards a career in combat sports.

At about 12 years old McGregor began training at Crumlin Boxing Club, initially to help him stand up to bullies. The boxing club provided discipline and fundamentals under coaches such as Philip Sutcliffe; he has credited those early years with giving him a base in striking that later proved crucial in mixed martial competition.

McGregor began a plumbing apprenticeship at 17 but found himself drawn increasingly to martial arts training. He joined Straight Blast Gym (SBG) in Dublin and came under the tutelage of John Kavanagh, who later described McGregor’s combination of physical tools and psychological edge as exceptional. McGregor has also spoken openly about receiving social welfare payments while training in his early career — a detail he uses to frame his rise from modest means.

Quick timeline (early years):

• c.2000s — Played youth football for Lourdes Celtic.
• Aged 12 — Joined Crumlin Boxing Club; developed foundation striking skills.
• Aged 17 — Started plumbing apprenticeship; began training at Straight Blast Gym (SBG) under John Kavanagh.

Fact checks to add in the rewrite: confirm parents’ names and the precise dates and coaches at Crumlin Boxing Club, and cite interviews or primary profiles where McGregor discusses welfare payments and his apprenticeship. Where possible, include short sourced quotes (for example from interviews with John Kavanagh or McGregor himself) to strengthen credibility.

MMA Beginnings and the Road to the UFC

Conor McGregor made his amateur mixed martial debut in 2007, winning by TKO in the opening round. He turned professional in March 2008, defeating Gary Morris by TKO in his first pro outing. Over the next years he compiled a record across Irish and European shows, developing into one of the continent’s most promising mixed martial prospects.

A key milestone came in 2012 when McGregor captured titles in Cage Warriors at both featherweight and lightweight — becoming the first fighter in that promotion to hold both belts simultaneously. Cage Warriors has long been regarded as a leading European feeder promotion for the ultimate fighting championship, and McGregor’s success there put him squarely on the UFC’s radar.

Reports suggest UFC president Dana White received repeated recommendations to sign McGregor during a trip to Dublin in 2013. White met McGregor and, after discussions with then-CEO Lorenzo Fertitta, offered a contract. McGregor made his ultimate fighting championship debut on 6 April 2013 against Marcus Brimage, stopping him by TKO in the first round and earning a Knockout of the Night bonus.

What to source when rewriting: confirm amateur and pro debut dates/opponents and methods via fight databases (Sherdog, Tapology, UFC); verify Cage Warriors title dates and the claim of simultaneous championships via Cage Warriors records; source the Dana White signing story from interviews or UFC statements. Where possible include short, sourced fight stats (round and time) for the referenced bouts to aid readers and improve accuracy.

UFC Dominance: Double Champion and Global Icon

Conor McGregor’s run through the UFC featherweight division captured mainstream attention in a way few mixed martial arts athletes had managed before. Combining accurate striking, a devastating left hand and a knack for psychological warfare at press conferences, McGregor built a following that stretched beyond the cage. After a string of victories, he defeated Chad Mendes to win the interim featherweight title at UFC 189 (July 2015), a victory that set up his unification bout with José Aldo.

The unification came at UFC 194 on 12 December 2015, when McGregor faced long-reigning champion José Aldo. McGregor landed a left-hand counter early and knocked Aldo out in 13 seconds — the fastest finish in a UFC title fight to date. The result announced McGregor to a global audience and cemented his standing in the featherweight division.

Following that rise, McGregor moved up in weight and, on 12 November 2016 at UFC 205, defeated Eddie Alvarez to capture the UFC Lightweight Championship. By doing so he became the first fighter in UFC history to hold titles in two divisions simultaneously — a milestone that elevated his profile from divisional star to global sports figure.

Suggested sourcing and additions for the rewrite: add fight stat boxes for UFC 189 (vs Chad Mendes), UFC 194 (vs José Aldo) and UFC 205 (vs Eddie Alvarez) showing method, round and official time; cite official UFC event pages, boxing/mma outlets and contemporary reports for context; reference July 2015 and November 2016 dates in British format consistently. These citations will ensure accuracy and help readers distinguish between fight facts and analysis.

The Mayweather Fight and the Khabib Era

In August 2017 Conor McGregor crossed from mixed martial arts into professional boxing for a crossover bout with undefeated champion Floyd Mayweather Jr. The event was one of the most lucrative in combat-sport history: media reports estimate roughly 4.3 million pay‑per‑view buys and place McGregor’s reported earnings for the night in excess of $100 million. The fight demonstrated McGregor’s box-office drawing power and significantly boosted his commercial value outside the UFC.

McGregor returned to the UFC for a high‑profile rematch with elite mixed martial competition when he faced Khabib Nurmagomedov at UFC 229 in October 2018. Khabib won by submission in the fourth round; the fight was overshadowed by a post‑bout brawl between both camps. McGregor’s purse for the event has been reported in the region of $50 million, figures that — along with the Mayweather payday — placed him among the highest earners in combat sport.

After a 2020 victory over Donald Cerrone at UFC 246, McGregor experienced back‑to‑back losses to Dustin Poirier in 2021. The second loss — their trilogy bout at UFC 264 in July 2021 — ended early when McGregor suffered a broken tibia in the first round; the injury required surgery and has been a primary factor in his prolonged absence from competition since. Those defeats and the injury interrupted the momentum he had built as a global boxing and mixed martial star.

What to verify when finalising this section: the exact PPV buy number for Mayweather–McGregor and the primary source for that figure; confirmed purse figures for both the boxing match and UFC 229 (use promoter/Forbes/box office reporting); official date and result details for UFC 229 (Khabib Nurmagomedov submission) and UFC 264 (injury in round one versus Dustin Poirier); and any disciplinary outcomes following the UFC 229 post‑fight brawl. For geographic context (where relevant), note that the Mayweather fight and many of McGregor’s biggest events had major commercial impact in Las Vegas and globally; cite reputable outlets (ESPN, BBC, Forbes, official UFC statements) to support these claims.

Proper No. Twelve and the Business Empire

Beyond competition, Conor McGregor built a substantial business profile, most notably with Proper No. Twelve Irish Whiskey, a brand launched in 2018 that references his Dublin 12 roots. The label expanded quickly in global markets and became a central pillar of McGregor’s off‑ring earnings.

In April 2021 McGregor sold a majority stake in Proper No. Twelve to Proximo Spirits in a deal widely reported to have netted him in the region of $150–200 million pre‑tax. Though exact figures vary between sources, that transaction is commonly regarded as the single largest contributor to his reported net worth and — by many accounts — exceeded his cumulative fight purses.

McGregor also monetised his profile through endorsement deals and partnerships with established brands such as Reebok, Beats by Dre, Monster Energy and Burger King. These agreements supplemented his income and helped turn him into a recognisable commercial figure outside the mixed martial arts world.

Following the civil court verdict in November 2024 and subsequent legal developments, several commercial partners reportedly distanced themselves from McGregor. Media coverage indicates Proximo changed how McGregor was publicly associated with Proper No. Twelve, and some Irish retailers temporarily removed his whiskey and related products from shelves; however, the precise list of affected partners and the timing of each action should be confirmed with company statements and retailer notices.

McGregor’s business interests extend beyond whiskey: he has pursued various branded merchandise lines, media appearances and other ventures. For a complete and up‑to‑date account, each investment or partnership should be listed with primary-source citations (company filings, press releases or trustworthy financial reporting).

Personal life update: in December 2025 McGregor married his long‑term partner Dee Devlin; the couple have four children. These personal details are included where reported by reliable outlets, but the rewrite should cite primary announcements or reputable press coverage for confirmation.

Fact checks and sourcing to add: the April 2021 sale terms and any official Proximo statement; which specific partners severed ties and the dates of those actions; retailer statements regarding product removals; and confirmation of the marriage date and venue. Where monetary figures are used (sale proceeds, endorsement values), label them as estimates and cite the originating source (Forbes, company press releases, major news outlets).

Controversies and Legal Battles

Conor McGregor’s public profile has been accompanied by a series of legal incidents and controversies that have affected both his sporting career and commercial reputation. In 2018 he was involved in the widely reported incident at UFC 223 in which he attacked a bus carrying fighters; that episode led to criminal investigations and settled matters with several fighters. In 2019 McGregor pleaded guilty to a misdemeanour assault charge in relation to an incident in a Dublin pub; the case resulted in a conviction and agreed sanction at the time.

The most consequential recent development has been a civil claim resolved in Ireland. In November 2024 an Irish High Court jury found McGregor liable in a civil action brought by a woman, and ordered damages; subsequent reporting indicated the court judgment and associated legal costs totalled significant sums. In December 2024 further sums were reported as legally payable in connection with the case; an appeal was later pursued and, according to reporting, a court decision in mid‑2025 addressed that appeal. Given the sensitivity of these matters, the rewrite must rely on court records and major news organisations to verify exact figures, dates and legal language (civil liability versus criminal conviction).

There are also other legal matters reported in different jurisdictions, including civil complaints filed in the United States. At the time of writing some of these matters remain active; the status of each case should be checked against court dockets and reliable reportage before publication.

Recommended editorial changes: separate criminal incidents (e.g., bus attack, assault pleas) from civil liability matters and present each with sourced, dated references. Use precise legal terms (for example, “found liable in a civil action” rather than broader assertions) and avoid repeating allegations without documentary support. For every monetary award or legal cost quoted, link to the primary court judgment or a high‑quality news report. This approach reduces risk of inaccuracy and ensures the section meets standards for reporting on legal and sensitive topics.

Political Ambitions and Life Beyond the Octagon

In early 2025 Conor McGregor publicly explored a move into politics, announcing a bid for the presidency of Ireland. His campaign attracted intense media attention but struggled to gain formal momentum: under Irish election rules a candidate requires nominations from members of the Oireachtas or a sufficient number of local authorities to appear on the ballot, and McGregor failed to secure those nominations. Polling cited at the time suggested limited electoral support, with some surveys placing his potential backing in the single digits.

McGregor also made international appearances during this period that received political and media attention. Coverage reported his attendance at events in the United States around St Patrick’s Day 2025 and meetings with prominent figures; any claims about meetings with specific officials or head‑of‑state visits should be checked against primary sources, such as White House records or official statements, before being presented as fact.

McGregor announced his withdrawal from the presidential contest in September 2025, stating publicly that the attempt had not secured the necessary support and that it would not be his last foray into public life. For accuracy, link any political claims to direct statements, campaign filings or authoritative news coverage when finalising the copy.

Outside politics, McGregor has remained largely inactive in competitive mixed martial arts since suffering a broken tibia at UFC 264 in July 2021. Though he has periodically indicated interest in a return — and media speculation has attached several potential exhibition or crossover events to his name — such plans should be treated as tentative until confirmed by the UFC, McGregor’s team, or other primary sources.

Editorial guidance for the rewrite: clearly differentiate verified events (campaign announcement, withdrawal) from rumours or speculative items (possible future fights or high‑profile meetings). Wherever public opinion figures or polls are cited, include the pollster and date. For claims about meetings with named individuals or visits to official residences, rely on photographed evidence, official guest lists or formal statements to avoid repeating unverified assertions.

Net Worth and Financial Standing

As of 2026, Conor McGregor’s net worth is widely reported at approximately $200 million, with some estimates extending to around $250 million. These figures are estimates compiled from public reporting and financial commentary; the exact total depends on valuation methods, timing and whether reported legal liabilities are deducted. The largest components commonly cited are proceeds from the sale of his whiskey business, pay‑per‑view and fight purses, endorsements and other commercial ventures.

Key income sources (summary):

• Proper No. Twelve sale — widely reported sale of a majority stake to Proximo Spirits (April 2021) is estimated in some outlets at $150–200 million pre‑tax; confirm exact terms from company statements.
• Fight purses and PPV revenue — McGregor’s reported career fight earnings are often quoted in aggregate (for example, some sources estimate roughly $235 million from fighting-related income); use primary payout reports and Forbes-style summaries for verification.
• Endorsements and partnerships — historic agreements with brands (Reebok, Beats by Dre, Monster, Burger King and others) contributed materially to his income; note that some relationships were reportedly altered following legal developments in 2024.
• Appearances, merchandise and investments — revenues from media appearances, branded merchandise and private investments form smaller but meaningful parts of his overall wealth.

Editorial notes on figures and presentation: label all monetary amounts as estimates and cite the original sources (Forbes, company press releases, SEC or equivalent filings where available, promoter disclosures). Specify whether figures are pre‑tax and whether legal penalties or costs (for example, amounts a court ordered pay in civil cases) have been subtracted. For transparency, present a sourced breakdown (table or bullet list) with ranges rather than single definitive numbers.

Contextual comparison: compared with contemporaries in mixed martial arts, McGregor ranks among the highest‑earning fighters of his generation due to the combination of fight income and the Proper No. Twelve transaction. That said, reported legal awards and the loss or suspension of commercial partnerships can materially affect near‑term liquidity and future earnings — items that should be tracked against company statements and court records when finalising the article.

Wrapping Up

Conor McGregor’s rise — from Crumlin to global recognition — is exceptional within mixed martial arts. Between 2015 and 2021 he combined sporting success (notably becoming the UFC’s first simultaneous two‑division champion) with commercial acumen, turning his profile into substantial business opportunities. That period established him as one of the most influential figures in the sport.

Since his injury in 2021 and the legal and commercial fallout of recent years, McGregor’s public narrative is more contested. Inactivity in competition, high‑profile legal rulings and the loss or alteration of brand partnerships have all reshaped perceptions of his legacy. At 37, the central question is not simply whether he will fight again, but how history will balance his sporting achievements against the controversies that followed.

People Also Ask

What is Conor McGregor’s UFC record?

McGregor’s professional MMA record is cited as 22 wins and 6 losses. For complete fight‑by‑fight details, consult official fight records (UFC, Sherdog, Tapology) which list opponents, dates and methods for each bout.

How did Conor McGregor make most of his money?

The major sources have been fight purses and pay‑per‑view revenue, the 2017 boxing match with Floyd Mayweather and the sale of Proper No. Twelve. Estimates vary: some reports place his cumulative fight‑related earnings in the hundreds of millions, while the Proper No. Twelve majority‑stake sale in April 2021 has been widely reported as worth roughly $150–200 million pre‑tax. All monetary figures should be treated as estimates and cited to their originating reports when used.

Is Conor McGregor married?

Yes. Reports indicate McGregor married Dee Devlin in December 2025; the couple have four children. For confirmation of dates and venue, cite reputable press coverage or official announcements.

Did Conor McGregor run for president of Ireland?

McGregor announced a bid for the Irish presidency in early 2025 but withdrew later that year after failing to secure the necessary nominations. Polling at the time suggested limited voter support; cite the specific polls when quoting percentages.

What happened with the Conor McGregor civil case?

In November 2024 an Irish High Court jury found McGregor liable in a civil action brought by a claimant; the court awarded damages and later ordered legal costs. Exact figures and the outcome of appeals should be verified against court records and reporting from authoritative outlets before publication.

If you would like, I can convert these Q&A entries into structured data (FAQ schema) with precise, cited sources for each answer to improve search visibility and accuracy.