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.