First person in the history of the Ultimate Fighting Championship to hold titles in two weight divisions simultaneously.
He has named Muhammad Ali and Bruce Lee as two of his biggest inspirations.
He is trained in and uses Boxing, Kickboxing, Capoeira, Taekwondo, Karate, Brazilian Jiu-Jitsu, and Wrestling in his matches.
Merited a position in TIME magazine's "The 100 Most Influential People" (2017) with an homage - "The Unstoppable Fighter" - contributed by Arnold Schwarzenegger.
He holds a brown belt in Brazilian Jiu Jitsu.
Defeated by Floyd Mayweather in 10th round.[August 2017].
He has been in a long-term relationship with Dee Devlin since 2008. They have two children together, Conor Jack McGregor Jr. (b. May 5, 2017) and a daughter Croia McGregor (b. January 2019).
On June 2020, he announced his retirement from fighting.