Who Is Conor McGregor? Age, Bio, Family, Net Worth, UFC Career & More

Conor McGregor

Conor McGregor

  • Full name:Conor Anthony McGregor
  • Born:July 14, 1988
  • Birthplace:Dublin, Ireland
  • Height:5-feet-8 (175 cm)
  • Astrological sign:Cancer
  • Spouse:Dee Devlin (2025–present)
  • Children:Conor Jr., Croía, Rían, Mack
  • Occupation:Mixed martial artist, Boxer

Conor McGregor is an Irish mixed martial artist and boxer, known for his outspoken persona and precise striking. He became the first UFC fighter to hold titles in two weight divisions simultaneously.

Who is mixed martial artist and boxer Conor McGregor?

Conor Anthony McGregor, widely known by the nickname “The Notorious,” is an Irish mixed martial artist and professional boxer. Born on July 14, 1988, in Crumlin, Dublin, Ireland, he became one of the most prominent stars in the Ultimate Fighting Championship (UFC). McGregor is known for his striking-based fighting style, outspoken public persona, and for becoming the first UFC fighter to hold championship titles in two weight divisions simultaneously.

Background/biography

McGregor was born to Tony and Margaret McGregor and grew up in the Crumlin area of Dublin before his family moved to Lucan. He attended Irish-language schools including Gaelscoil Scoil Mológa and Coláiste Cois Life.

As a child, he played football and began boxing at Crumlin Boxing Club. He later developed an interest in mixed martial arts after moving to Lucan, where he trained with the Straight Blast Gym under coach John Kavanagh. Before establishing himself as a fighter, McGregor worked as a plumbing apprentice. He turned professional in mixed martial arts in 2008 and built his early career on the Irish and European regional circuit.

Mixed martial arts and boxing career

  • Made his UFC debut against Marcus Brimage in 2013, winning by first-round knockout.
  • Defeated José Aldo in 13 seconds to win the UFC featherweight championship at UFC 194 in 2015.
  • Defeated Eddie Alvarez to win the UFC lightweight championship at UFC 205 in 2016.
  • Faced Floyd Mayweather Jr. in a professional boxing match in 2017, losing by technical knockout in the 10th round.
  • Defeated Donald Cerrone by first-round technical knockout at UFC 246 in 2020.
  • Fought Dustin Poirier in a trilogy of UFC bouts, including their 2021 rematch and rubber match.

McGregor rose rapidly through the UFC featherweight division after joining the promotion in 2013. His victory over Aldo was one of the fastest title-fight finishes in UFC history and made him the first Irish UFC champion. In 2016, his lightweight title win over Alvarez made him the first fighter in UFC history to simultaneously hold titles in two divisions.

His 2017 boxing match with Mayweather attracted major global attention and became one of the most commercially significant combat-sports events of its period. McGregor later continued competing in the UFC while also pursuing business interests outside the sport.

The first simultaneous two-division UFC champion

McGregor’s most widely recognized sporting milestone came when he held the UFC featherweight and lightweight championships at the same time. The achievement helped establish him as one of the organization’s most marketable fighters and brought increased international attention to Irish mixed martial arts.

He is also known for his confident pre-fight promotion, distinctive walkouts, precision striking, and ability to draw large audiences for both UFC events and crossover boxing contests.

Fun facts about Conor McGregor

  • McGregor’s professional nickname is “The Notorious.”
  • He trained in boxing before pursuing a professional career in mixed martial arts.
  • Before becoming a full-time fighter, he worked as a plumbing apprentice.
  • He became the first Irish fighter to win a UFC championship.
  • His 13-second knockout of José Aldo at UFC 194 remains one of the quickest finishes in a UFC title fight.
  • He founded the Proper No. Twelve Irish whiskey brand, which launched in 2018.

Controversy Conor McGregor

Bus attack charges in New York (2018)

In April 2018, Conor McGregor threw a hand truck at a bus carrying UFC fighters at Barclays Center in Brooklyn, New York. Several people were injured and two scheduled UFC bouts were cancelled. McGregor pleaded guilty to disorderly conduct in July 2018 under a plea agreement. He was ordered to complete community service and anger-management classes and to pay restitution; he avoided jail time.

Assault of a Dublin pub patron (2019)

In August 2019, footage emerged showing McGregor striking an older man at a Dublin pub after the man declined a drink McGregor had offered. McGregor pleaded guilty to assault in November 2019 and was fined €1,000 by Dublin District Court.

Civil verdict in Nikita Hand assault case (2024)

In November 2024, a jury in the Irish High Court found McGregor liable in a civil case brought by Nikita Hand, who alleged that he sexually assaulted her in a Dublin hotel in December 2018. The jury awarded Hand approximately €248,000 in damages. McGregor denied the allegation and appealed the verdict; the Court of Appeal dismissed his appeal in 2025.

Career Highlights Conor McGregor

  • 2012: Won the Cage Warriors featherweight and lightweight championships
  • 2013: Made his UFC debut with a knockout win over Marcus Brimage
  • 2015: Won the interim UFC featherweight championship by defeating Chad Mendes
  • 2015: Won the undisputed UFC featherweight title by knocking out José Aldo
  • 2016: Won the UFC lightweight title and became the first simultaneous two-division UFC champion
  • 2017: Made his professional boxing debut against Floyd Mayweather Jr