Conor McGregor and longtime fiancée Dee Devlin have four children: Conor Jr., Croía, Rían, and Mack—welcomed between 2017 and late 2023. From pregnancy excitement in 2023 to milestone birthday posts, McGregor has repeatedly shared family updates with fans.
Conor McGregor may be one of sports’ most recognizable names. but the Irish UFC fighter is also widely known as a father of four.. Alongside his longtime fiancée. Dee Devlin. McGregor has shared their growing family publicly—celebrating births. posting milestone moments. and teasing what he hopes to pass on to his children.
In a June 2023 interview on Live With Kelly and Mark, McGregor talked about expecting their fourth child together.. “So we’ve got the new one, the next one on the way.. A couple more weeks. we’ll be able to find out what the sex is of the baby. and we’re very excited back home. ” he said.. He added: “A lot of great things happening.. I’m very blessed.. I’m very thankful.. Everyday, I smile up to God and thank God.”
Their fourth child arrived in late 2023—Mack McGregor, born on November 30, 2023. McGregor announced the birth on Instagram with the caption, “Another chunky, healthy boy into the world. Dee, you are my hero.” Since then, he’s shared a few photos of himself with Mack.
Before Mack, the family’s third child was Rían McGregor, born on May 17, 2021.. McGregor shared the news on Instagram, writing, “The McGregor Clan is now a family of 5 ❤️ Healthy baby boy delivered!. Baby and Mammy Wonder Woman are doing great!. God I thank you for everything you give to me and my family in this world 🙏 My new born son. Rían McGregor ❤️.” In February 2024. he also posted a photo holding Rían. with the caption. “Hand on heart. my son Rían McGregor. I love you so much ❤️🙏.”
Earlier, on Christmas Eve 2020, McGregor had announced they were expecting their second son. The Instagram post showed Conor Jr. holding up an ultrasound image, and the caption read, “Happy Christmas everyone, from my family to yours. So much to look forward to in 2021.”
Their second child is Croía Mairéad McGregor, born January 3, 2019.. McGregor shared her arrival on Instagram. writing. “Heading home with my two healthy babies and an energized and healthy SuperMam.” More than a year later. he announced he proposed to Devlin on August 8. 2020. noting that it was just before she turned 33.. Croía has also attended some of her father’s fights. and McGregor has repeatedly described her as a “real-life Princess.”
In January 2024, the couple celebrated Croía’s 5th birthday with a mermaid-themed party. McGregor posted multiple photos from the event, captioning it, “Happy birthday my Croía, daddy loves you so much 🥰🧜♀️.”
The oldest child, Conor Jack McGregor Jr., was born on May 6, 2017. McGregor shared the news on Instagram with a photo of the new mom and their baby, captioning it, “Dee and Junior are doing great everyone! Thank you for all the kind words, I am one proud and blessed Daddy ❤️.”
McGregor has also talked about bringing his eldest son into combat sports.. He said he wanted to introduce Conor Jr.. to MMA and boxing. and he took the child to media events leading up to his 2017 fight with Floyd Mayweather when the baby was just a few weeks old.. After the fight. McGregor discussed his plans for his son. saying. “When he grows up. I’m going to put him into sport.. I believe sport is the best thing you can do.. I’ve already begun training him.. He’s already leaps and bounds ahead of schedule.”
Even outside McGregor’s own words, Paul Sutcliffe—owner of the boxing club where McGregor began his career—offered his take in 2023. Speaking to The U.S. Sun, Sutcliffe said, “He’s an athlete, no matter what he does. He’s got flexibility, he’s strong, he has no fear.”
Across the timeline. the family story follows the same pattern of public milestones: McGregor announced each pregnancy or birth through Instagram or interviews. then followed up with posts that marked each child by name and age.. First came Conor Jr.. (announced May 6, 2017), then Croía (announced January 3, 2019), followed by Rían (announced May 17, 2021), and finally Mack (born November 30, 2023).. The June 2023 Live With Kelly and Mark comments about the “next one on the way” fit directly into the later announcement of the fourth child.
For McGregor. the shift from athlete to proud father is visible in the way he shares the moments—signing off with gratitude and emphasis on family in each update.. The result is a family that spans four children. each introduced to fans not just as a headline. but as part of a continuing. personal chapter.
Conor McGregor kids Dee Devlin Conor Jr Croía McGregor Rían McGregor Mack McGregor Live With Kelly and Mark UFC fighter father